Physicochemical Standards

Reagecon's 10 mg/L C as KHP in 10 mmol/L Acidified Water Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product.

Reagecon's 0.08 mg/L C as KHP Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's 0.1 mg/L C as Sucrose Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's Carbon Verification Kit for Total Organic/Inorganic Carbon (TOC/TIC) is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - The products RTOCS02 and RTICN02 from the table above are prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds IEC/ISO 17025 accreditation for calibration of laboratory balances (A2LA Ref: 6739.02). Products are tested using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument); RTOCS02 and RTICN02 are tested within the scope of Reagecon’s ISO 17025 accredited test method (A2LA Ref: 6739.03) and RTOCW is not tested within the scope of the accredited test method. Item No - Description | Qty: - RTOCW-TOC Standard USP Reagent Water Rw: 1. - RTOCS02-TOC Standard 1.0mg/L C as Sucrose: 1. - RTICN02-TIC Standard 1.0mg/L as Na₂CO₃: 1.

Reagecon's Total Organic Carbon (TOC) Standard 7.5 mg/L (ppm) is tested by our ISO 17025 Accredited Test Method (A2LA Ref: 6739.03). This product is manufactured from high purity raw materials and is suitable for calibrating a wide range of TOC analysers to a high accuracy. - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 5%. - Produced in our dedicated TOC Laboratory. - Presented and packed in specially cleaned and leached amber glass bottles. - "Manufactured to exacting specifications with an extended shelf life and stability; even after opening the bottle." - "Consistency of product – Independent; Traceable; Tested."

Reagecon's 1000 mg/L C as Potassium Hydrogen Phthalate Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's 0.5 mg/L C as Sodium Dodecylbenzene Sulfonate Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product

Reagecon's 0.06 mg/L C as KHP Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's USP Reagent Water Rw Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product.

Reagecon's 10 mmol/L HCL Acidified Water Total Organic Carbon Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's 10 mmol/L HCL Acidified Water Total Organic Carbon Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's 10 mg/L from NIST KHP Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product

Reagecon's 0.5 mg/L C from USP 1,4- Benzoquinone Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product.

Reagecon's 100 μS/cm Conductivity Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - Reagecon’s Conductivity Standard at 25°C is tested and certified by an ISO17025 Accredited Test Method (A2LA Ref. 6739.03) and NIST traceable. - This Conductivity Standard for Total Organic Carbon (TOC) Calibration is aqueous based, thereby eliminating any errors attributable to matrix mismatch. Each bottle is supplied with a comprehensive Certificate of Analysis and has a table of conductivity variation with temperature printed on the product label. The low temperature coefficient of variation, reduces measurement errors and enables non-temperature controlled use. - High accuracy ± 1% at 25°C, enables the standards to be used as calibrators and/or controls, in accordance with the most exacting industrial requirements.

Reagecon's 10 mg/L C from NIST KHP Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product.

Reagecon's Calibration Set for Total Organic Carbon (TOC) is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - The products ISTOC1048 and ISTOC1049 from the table above are prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds IEC/ISO 17025 accreditation for calibration of laboratory balances (A2LA Ref: 6739.02). Products are tested using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument); ISTOC1048 and ISTOC1049 are tested within the scope of Reagecon’s ISO 17025 accredited test method (A2LA Ref: 6739.03) and ISTOC1047 is not tested within the scope of the accredited test method. Item No - Description | Qty: - ISTOC1047-TOC Calibration Blank: 2. - ISTOC1048-TOC Standard 0.25mg/L C NIST Sucrose: 1. - ISTOC1049-TOC Standard 0.5mg/L C NIST Sucrose: 1.

Reagecon's 0.3 mg/L C as KHP Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's 0.5 mg/L C as Sucrose Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's 0.09 mg/L C from NIST KHP Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's 0.75 mg/L C from NIST Sucrose Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product.

Reagecon's System Suitability Set to USP for Total Organic Carbon (TOC) is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - The products ISTOC1314 and ISTOC1315 from the table above are prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds IEC/ISO 17025 accreditation for calibration of laboratory balances (A2LA Ref: 6739.02). Products are tested using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument); ISTOC1314 and ISTOC1315 are tested within the scope of Reagecon’s ISO 17025 accredited test method (A2LA Ref: 6739.03) and ISTOC1316 is not tested within the scope of the accredited test method. Item No - Description | Qty: - ISTOC1314-TOC Standard USP Standard Sucrose Solution Rs (0.5mg/L C): 1. - ISTOC1315-TOC Standard USP System Suitability Solution 1 4-Benzoquinone (0.5mg/L C): 1. - ISTOC1316-TOC Standard USP Reagent Water Rw: 1.

Reagecon's Calibration Blank Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product

Reagecon's Calibration Blank Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product.

Reagecon's USP Reagent Water Total Organic Carbon (TOC) Calibration Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product - The product ISTOC1273 from the table above is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds IEC/ISO 17025 accreditation for calibration of laboratory balances (A2LA Ref: 6739.02). Products are tested using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument); ISTOC1273 is tested within the scope of Reagecon’s ISO 17025 accredited test method (A2LA Ref: 6739.03) and ISTOC1272 is not tested within the scope of the accredited test method. Item No - Description | Qty: - ISTOC1272-TOC JP Reagent water: 1. - ISTOC1273-TOC Standard 0.5mg/L C from Sodium Dodecylbenzene Sulfonate: 1.

Reagecon's 5 mg/L as Sodium Carbonate (Na₂CO₃) Total Inorganic Carbon (TIC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's 0.5 mg/L C from NIST KHP Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product

Reagecon's 0.5 mg/L C from USP Sucrose Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's 0.5 mg/L C 1,4 -Benzoquinone System Suitability Solution Total Organic Carbon (TOC) Standard for Sievers Checkpoint Analyser is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product

Reagecon's Carbon Standard and Vertification Kit for Total Organic/Inorganic Carbon (TOC/TIC) is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - The products RTOCK09; RTOCS02 and RTICN02 from the table above are prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds IEC/ISO 17025 accreditation for calibration of laboratory balances (A2LA Ref: 6739.02). Products are tested using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument); RTOCK09; RTOCS02 and RTICN02 are tested within the scope of Reagecon’s ISO 17025 accredited test method (A2LA Ref: 6739.03) and RTOCW is not tested within the scope of the accredited test method. Item No - Description | Qty: - RTOCW-TOC Standard USP Reagent Water Rw: 2. - RTOCK09-TOC Standard 1.0mg/L C as KHP: 1. - RTOCS02-TOC Standard 1.0mg/L C as Sucrose: 1. - RTICN02-TIC Standard 1.0mg/L as Na₂CO₃: 2.

Reagecon's 0.5 mg/L C from NIST Sucrose Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product

Reagecon's 10 mg/L C as Potassium Hydrogen Phthalate Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's Calibration Blank Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product

Reagecon's 0.25 mg/L C from NIST Sucrose Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's 0.5 mg/L C from USP 1,4-Benzoquinone Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's 0.5 mg/L C from USP Sucrose Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product.

Reagecon's Non Purgeable Organic Carbon Mixed (NPOC 10) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's JP Reagent Water Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product

Reagecon's System Suitability Set to USP for Total Organic Carbon (TOC) is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - The products ISTOC1091 and ISTOC1092 from the table above are prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds IEC/ISO 17025 accreditation for calibration of laboratory balances (A2LA Ref: 6739.02). Products are tested using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument); ISTOC1091 and ISTOC109 are tested within the scope of Reagecon’s ISO 17025 accredited test method (A2LA Ref: 6739.03) and ISTOC1090 is not tested within the scope of the accredited test method. Item No - Description | Qty: - ISTOC1090-USP Reagent Water System Suitability Standard: 1. - ISTOC1091-TOC 0.5mg/L C from USP Sucrose System Suitability Standard: 1. - ISTOC1092-TOC 0.5mg/L C from USP 1,4-Benzoquinone System Suitability Standard: 1.

Reagecon's 0.25 mg/L C from NIST KHP Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's System Suitability Set to from USP for Total Organic Carbon (TOC) is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - The products ISTOC1303 and ISTOC1304 from the table above are prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds IEC/ISO 17025 accreditation for calibration of laboratory balances (A2LA Ref: 6739.02). Products are tested using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument); ISTOC1303 and ISTOC1304are tested within the scope of Reagecon’s ISO 17025 accredited test method (A2LA Ref: 6739.03) and ISTOC1302 is not tested within the scope of the accredited test method. Item No - Description | Qty: - ISTOC1302-USP Reagent Water System Suitability Standard: 1. - ISTOC1303-TOC 0.5mg/L C from USP Sucrose System Suitability Standard: 1. - ISTOC1304-TOC 0.5mg/L C from USP 1,4-Benzoquinone System Suitability Standard: 1.

Reagecon's USP Reagent Water Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product.

Reagecon's Total Organic Carbon (TOC) Standard 250 mg/L (ppm) is manufactured from high purity raw materials and is suitable for calibrating a wide range of TOC analysers to a high accuracy. - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 1%. - Produced in our dedicated TOC Laboratory. - "This product is presented in a special twin neck dosing device. This device prevents contamination; evaporation or interference." - "Manufactured to exacting specifications with an extended shelf life and stability; even after opening the bottle." - "Consistency of product – Independent; Traceable; Tested."

Reagecon's 50 mg/L Total Inorganic Carbon/Total Carbon Mixed (TIC/TC) Standard with Combined Value 100 mg/L is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured; cleaned and leached by a special proprietary process specifically for the product. - This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.

Reagecon's System Suitability Set for Total Organic Carbon (TOC) is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in vials that are manufactured, cleaned and leached, by a special proprietary process specifically for the product. - The products ISTOC1107 and ISTOC1108 from the table above are prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds IEC/ISO 17025 accreditation for calibration of laboratory balances (A2LA Ref: 6739.02). Products are tested using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument); ISTOC1107 and ISTOC1108 are tested within the scope of Reagecon’s ISO 17025 accredited test method (A2LA Ref: 6739.03) and ISTOC1105 is not tested within the scope of the accredited test method. Item No - Description | Qty: - ISTOC1105-TOC USP Reagent Water: 1. - ISTOC1107-TOC Standard 0.5mg/L C from USP Sucrose: 1. - ISTOC1108-TOC Standard 0.5mg/L C from USP 1,4-Benzoquinone: 1.

Reagecon’s Borax Free pH Buffer Solution at 20°C is tested by our ISO 17025 Accredited Test Method (A2LA Ref: 6739.03) and NIST traceable.

Reagecon’s Borax Free pH Buffer Solution at 25°C is tested by our ISO 17025 Accredited Test Method (A2LA Ref: 6739.03) and NIST traceable.

This Reagecon Volatile Organic Compound (VOC) Single Compound Standard is a ready to use product that is used either as a calibrant or analytical control solution for a variety of gas and liquid chromatography methods that include GC; GC-MS; HPLC and LC-MS. This product can also be used to validate appropriate test methods or qualify an instrument in a regulated industry. - The identity of each standard is verified using a high performance calibrated Gas Chromatograph Mass Spectrometer (GC-MS Instrument). The mass spectrum of each of the analytes is confirmed by comparison with the National Institute of Standards and Technology (NIST) mass spectral library. - Ready to use (dilute for use as calibration and/or quality control standards). - Can be used with a variety of instruments including GC; GC-MS; HPLC and LC-MS. - Produced in accordance with EPA methods. - Designed for use in EPA or EU analytical methods. - Ideal for use in EPA 500; 600 and 8000 series methods. - Consistency of product - Independent; Traceable; Tested.

This Reagecon Volatile Organic Compound (VOC) Standard 5 Compound Mix is a ready to use product that is used either as a calibrant or analytical control solution for a variety of gas and liquid chromatography methods that include GC; GC-MS; HPLC and LC-MS. This product can also be used to validate appropriate test methods or qualify an instrument in a regulated industry. - The identity of each standard is verified using a high performance calibrated Gas Chromatograph Mass Spectrometer (GC-MS Instrument). The mass spectrum of each of the analytes is confirmed by comparison with the National Institute of Standards and Technology (NIST) mass spectral library. - Ready to use (dilute for use as calibration and/or quality control standards). - Can be used with a variety of instruments including GC; GC-MS; HPLC and LC-MS. - Produced in accordance with EPA methods. - Designed for use in EPA or EU analytical methods. - Ideal for use in EPA 500; 600 and 8000 series methods. - Consistency of product - Independent; Traceable; Tested. Description | Concentration: - Methanol: 150 µg/mL. - Acetone: 150 µg/mL. - 1-Propanol: 150 µg/mL. - Isobutanol (2-Methyl-1-propanol): 150 µg/mL. - Isoamyl alcohol(3-methyl- 1- butanol): 150 µg/mL.

This Reagecon Gasoline Calibration Standard (2 Compound Mix) in Petroleum Ether is a ready to use standard used in fuel analysis as either a calibrant or analytical control solution. This standard is used in testing for a range of Aromatic and Oxygenate compounds in Gasoline in accordance with the ASTM D5845, using infrared (IR) instrumentation. The product can also be used to validate appropriate test methods or qualify an instrument in a regulated industry. The product is QC tested on a high performance GC-MS. Description | Concentration: - DIPE: 20 %. - Petroluem Ether: 66 %. - Tert-Butanol: 14 %.

This Reagecon Cetane Improver Calibration Standard is a ready to use standard in Petroleum Ether used in fuel analysis as either a calibrant or analytical control solution. This standard is used in testing for 2-Ethylhexyl Nitrate a known Cetane improver, in Diesel, in accordance with the International Standard ASTM E1655, using infrared (IR) instrumentation. The product can also be used to validate appropriate test methods or qualify an instrument in a regulated industry. The product is QC tested on a high performance GC-MS.

This Reagecon Cetane Improver Calibration Standard is a ready to use standard in Petroleum Ether used in fuel analysis as either a calibrant or analytical control solution. This standard is used in testing for 2-Ethylhexyl Nitrate a known Cetane improver, in Diesel, in accordance with the International Standard ASTM E1655, using infrared (IR) instrumentation. The product can also be used to validate appropriate test methods or qualify an instrument in a regulated industry. The product is QC tested on a high performance GC-MS.

This Reagecon Polycyclic Aromatic Hydrocarbon (PAH) Single Compound Standard is a ready to use product that is used either as a calibrant or analytical control solution for a variety of gas and liquid chromatography methods that include GC; GC-MS; HPLC and LC-MS. This product can also be used to validate appropriate test methods or qualify an instrument in a regulated industry. - The identity of each standard is verified using a high performance calibrated Gas Chromatograph Mass Spectrometer (GC-MS Instrument). The mass spectrum of each of the analytes is confirmed by comparison with the National Institute of Standards and Technology (NIST) mass spectral library. - Ready to use (dilute for use as calibration and/or quality control standards). - Can be used with a variety of instruments including GC; GC-MS; HPLC and LC-MS. - Produced in accordance with EPA methods. - Designed for use in EPA or EU analytical methods. - Ideal for use in EPA 500; 600 and 8000 series methods. - Consistency of product - Independent; Traceable; Tested.

This Reagecon Volatile Organic Compound (VOC) Single Compound Standard is a ready to use product that is used either as a calibrant or analytical control solution for a variety of gas and liquid chromatography methods that include GC; GC-MS; HPLC and LC-MS. This product can also be used to validate appropriate test methods or qualify an instrument in a regulated industry. - The identity of each standard is verified using a high performance calibrated Gas Chromatograph Mass Spectrometer (GC-MS Instrument). The mass spectrum of each of the analytes is confirmed by comparison with the National Institute of Standards and Technology (NIST) mass spectral library. - Ready to use (dilute for use as calibration and/or quality control standards). - Can be used with a variety of instruments including GC; GC-MS; HPLC and LC-MS. - Produced in accordance with EPA methods. - Designed for use in EPA or EU analytical methods. - Ideal for use in EPA 500; 600 and 8000 series methods. - Consistency of product - Independent; Traceable; Tested.

This Reagecon PCB Multi Compound Standard is a ready to use product that is used either as a calibrant or analytical control solution for a variety of gas and liquid chromatography methods that include GC; GC-MS; HPLC and LC-MS. This product can also be used to validate appropriate test methods or qualify an instrument in a regulated industry. - The identity of each standard is verified using a high performance calibrated Gas Chromatograph Mass Spectrometer (GC-MS Instrument). The mass spectrum of each of the analytes is confirmed by comparison with the National Institute of Standards and Technology (NIST) mass spectral library. Description | Concentration: - PCB77-d6: 10 µg/mL. - PCB156-d3: 10 µg/mL.

This Reagecon Pesticide Internal Standard 4 Compound Mix is a ready to use product that is used either as a calibrant or analytical control solution for a variety of gas and liquid chromatography methods that include GC; GC-MS; HPLC and LC-MS. This product can also be used to validate appropriate test methods or qualify an instrument in a regulated industry. - The identity of each standard is verified using a high performance calibrated Gas Chromatograph Mass Spectrometer (GC-MS Instrument). The mass spectrum of each of the analytes is confirmed by comparison with the National Institute of Standards and Technology (NIST) mass spectral library. - Ready to use (dilute for use as calibration and/or quality control standards). - Can be used with a variety of instruments including GC; GC-MS; HPLC and LC-MS. - Produced in accordance with EPA methods. - Designed for use in EPA or EU analytical methods. - Ideal for use in EPA 500; 600 and 8000 series methods. - Consistency of product - Independent; Traceable; Tested. Description | Concentration: - Carbaryl-d7: 20 µg/mL. - Carbofuran-d3: 20 µg/mL. - Methiocarb-d3: 5 µg/mL. - Methomyl-d3: 20 µg/mL.

<p>Reagecon's Zirconium Standard for ICP; ICP-MS 10;000 µg/mL (10;000 ppm) in 2-5% Nitric Acid (HNO₃) for ICP or ICP-MS is manufactured from ultra-pure metal (99.999%). This product is manufactured gravimetrically using the mass balance approach: 100% less the sum of all impurities (w/w). Prior to bottling; the final product is tested and verified using ICP-MS and is reported using the gravimetric result; corrected for density. To a specification of ± 0.2%. The results are reported in mg/kg and mg/L on the basis of weight and density. Reagecon hold ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances.<br>- GHS/OSHA compliant, REACH<br>- This product is produced in a highly controlled cleanroom (ISO 7) environment, using ultra-pure water (specially treated for the production of mass spectroscopy standards), triple distilled acids and triple leached pre-cleaned bottles. The titrimetry and spectroscopy are controlled and calibrated using separate standards, so the product comes with two layers of traceability including NIST Standards, where available. All of the uncertainties of measurement for this product are calculated according to Eurachem/CITAC guidelines and reported as expanded uncertainties at the 95% confidence level.<br></p>

<p>Reagecon's 1.0 mg/L C from NIST Sucrose Total Organic Carbon (TOC) Standard is a product of extremely high specification and purity. The product is produced from ultra pure raw materials including water that is prepared by a special proprietary process. The product is presented in bottles that are manufactured, cleaned and leached, by a special proprietary process specifically for the product<br>- This product is prepared gravimetrically on a weight/volume basis to a specification of ± 2%. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. The concentration of this standard is verified using a high performance calibrated Total Organic Carbon Analyser (TOC Instrument) using Reagecon’s ISO 17025 accredited (A2LA Ref: 6739.03) test method.<br></p>

<p>Reagecon Sodium Sulphide Solution is a high purity stable product developed and tested for European Pharmacopoeia (EP) applications.  These include the preparation of other reagents (4.1.1), use in identification reactions of ions and functional groups (2.3.1) and used as a reagent in the performance of tests outlined in several EP monographs.<br>- NIST traceable<br>- This Reagecon EP reagent is accurate, stable and reproducible. Stability is proven (either opened or unopened) for the shelf life of this product.<br></p>

<p>Reagecon's Phloroglucinol TS Solution according to United States Pharmacopoeia (USP) is specified for use in individual United States Pharmacopoeia (USP) Monographs. It is tested by an ISO 17025 Accredited Test Method (A2LA Ref: 6739.03); is NIST traceable and has guaranteed stability throughout its entire shelf life; even after opening the bottle.</p>

<p>Pricing displayed is Nett. For order quantities above 4 units, ask your sales contact for a quotation.<br><br><br>Reagecon's Multi Element Standard for ICP; ICP-MS in 2-5%Nitric Acid (HNO₃) and 0.04% Hydrofluoric Acid (HF) is manufactured from ultra-pure metals or salts. This product is manufactured gravimetrically using the mass balance approach: 100% less the sum of all impurities (w/w). Prior to bottling; the final product is tested and verified using ICP-MS and is reported using the gravimetric result; corrected for density. The results are reported in mg/kg and mg/L on the basis of weight and density. Reagecon hold ISO 17025 (A2LA Ref: 6739.02) accreditation for calibration of laboratory balances.<br>- GHS/OSHA compliant, REACH<br>- This product is produced in a highly controlled cleanroom (ISO 7) environment, using ultra-pure water (specially treated for the production of mass spectroscopy standards), triple distilled acids and triple leached pre-cleaned bottles. The titrimetry and spectroscopy are controlled and calibrated using separate standards, so the product comes with two layers of traceability including NIST Standards, where available. All of the uncertainties of measurement for this product are calculated according to Eurachem/CITAC guidelines and reported as expanded uncertainties at the 95% confidence level.<br><br>Description | Concentration:<br>- Arsenic (As): 100 µg/mL (ppm).<br>- Barium (Ba): 100 µg/mL (ppm).<br>- Cadmium (Cd): 100 µg/mL (ppm).<br>- Cobalt (Co): 100 µg/mL (ppm).<br>- Chromium (Cr): 100 µg/mL (ppm).<br>- Copper (Cu): 100 µg/mL (ppm).<br>- Manganese (Mn): 100 µg/mL (ppm).<br>- Molybdenum (Mo): 100 µg/mL (ppm).<br>- Nickel (Ni): 100 µg/mL (ppm).<br>- Lead (Pb): 100 µg/mL (ppm).<br>- Antimony (Sb): 100 µg/mL (ppm).<br>- Selenium (Se): 100 µg/mL (ppm).<br>- Tin (Sn): 100 µg/mL (ppm).<br>- Strontium (Sr): 100 µg/mL (ppm).<br>- Titanium (Ti): 100 µg/mL (ppm).<br>- Thallium (Tl): 100 µg/mL (ppm).<br>- Vanadium (V): 100 µg/mL (ppm).<br>- Zinc (Zn): 100 µg/mL (ppm).<br></p>

<p>Reagecon's Sulphide 1000ppm Ion Selective Electrode Standard can be used at suitable concentrations to calibrate or control measurements that use Ion Selective Electrodes (ISE’s) as the sensing technology.<br>- Reagecon’s Ion Selective Electrode (ISE) Standards; diluted to a suitable concentration; are particularly suitable for use as a calibration or control material; using Ion Selective Electrodes as the sensing technology.<br>- Accurate to ± 0.5%.<br>- Aqueous matrix.<br>- Directly traceable to NIST standard reference materials.<br>- Can be used for Method Validation or Instrument Qualification.<br>- Can also be used as a calibrant for other techniques.<br>- Safe; compatible with all types of ISE Electrodes.<br>- Manufactured to exacting specifications with an extended shelf life &amp; stability; even after opening the bottle.<br></p>

<p>Reagecon's Nitrate Standard for Ion Chromatography (IC) 20 mg/L (20 ppm) in H₂O is manufactured from ultra-pure material. This product is manufactured gravimetrically. Prior to bottling; the final product is tested and verified using a state of the art ion chromatograph and is reported using the gravimetric result; corrected for density; to a specification of ± 0.2%. The results are reported in mg/kg and mg/L on the basis of weight and density. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances.<br>- GHS/OSHA compliant, REACH<br>- This product is produced in a highly controlled cleanroom (ISO 7) environment; using ultra-pure water (specially treated for the production of ion chromatography standards) and triple leached pre-cleaned bottles. All of the uncertainties of measurement for the product are calculated according to Eurachem/CITAC guidelines and reported as expanded uncertainties at the 95% confidence level.<br></p>

<p>Reagecon's Zirconium Standard for ICP; ICP-MS 100 µg/mL (100 ppm) in 1% Hydrofluoric Acid (HF) and 5% Nitric Acid (HNO₃) for ICP or ICP-MS is manufactured from ultra-pure metal (99.999%). This product is manufactured gravimetrically using the mass balance approach: 100% less the sum of all impurities (w/w). Prior to bottling; the final product is tested and verified using ICP-MS and is reported using the gravimetric result; corrected for density. To a specification of ± 0.2%. The results are reported in mg/kg and mg/L on the basis of weight and density. Reagecon hold ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances.<br>- GHS/OSHA compliant, REACH<br>- This product is produced in a highly controlled cleanroom (ISO 7) environment, using ultra-pure water (specially treated for the production of mass spectroscopy standards), triple distilled acids and triple leached pre-cleaned bottles. The titrimetry and spectroscopy are controlled and calibrated using separate standards, so the product comes with two layers of traceability including NIST Standards, where available. All of the uncertainties of measurement for this product are calculated according to Eurachem/CITAC guidelines and reported as expanded uncertainties at the 95% confidence level.<br></p>

<p>Pricing displayed is Nett. For order quantities above 4 units, ask your sales contact for a quotation.<br><br><br>Reagecon's Multi Element Standard for ICP; ICP-MS in 2-5% Nitric Acid (HNO₃) and trace Hydrofluoric Acid (HF) is manufactured from ultra-pure metals or salts. This product is manufactured gravimetrically using the mass balance approach: 100% less the sum of all impurities (w/w). Prior to bottling; the final product is tested and verified using ICP-MS and is reported using the gravimetric result; corrected for density. The results are reported in mg/kg and mg/L on the basis of weight and density. Reagecon hold ISO 17025 (A2LA Ref: 6739.02) accreditation for calibration of laboratory balances.<br>- GHS/OSHA compliant, REACH<br>- This product is produced in a highly controlled cleanroom (ISO 7) environment, using ultra-pure water (specially treated for the production of mass spectroscopy standards), triple distilled acids and triple leached pre-cleaned bottles. The titrimetry and spectroscopy are controlled and calibrated using separate standards, so the product comes with two layers of traceability including NIST Standards, where available. All of the uncertainties of measurement for this product are calculated according to Eurachem/CITAC guidelines and reported as expanded uncertainties at the 95% confidence level.<br><br>Description | Concentration:<br>- Aluminium (Al): 100 µg/mL (ppm).<br>- Antimony (Sb): 100 µg/mL (ppm).<br>- Arsenic (As): 100 µg/mL (ppm).<br>- Barium (Ba): 100 µg/mL (ppm).<br>- Bismuth (Bi): 100 µg/mL (ppm).<br>- Boron (B): 100 µg/mL (ppm).<br>- Cadmium (Cd): 100 µg/mL (ppm).<br>- Calcium (Ca): 100 µg/mL (ppm).<br>- Chromium (Cr): 100 µg/mL (ppm).<br>- Cobalt (Co): 100 µg/mL (ppm).<br>- Copper (Cu): 100 µg/mL (ppm).<br>- Gallium (Ga): 100 µg/mL (ppm).<br>- Hafnium (Hf): 100 µg/mL (ppm).<br>- Indium (In): 100 µg/mL (ppm).<br>- Iron (Fe): 100 µg/mL (ppm).<br>- Lead (Pb): 100 µg/mL (ppm).<br>- Lithium (Li): 100 µg/mL (ppm).<br>- Magnesium (Mg): 100 µg/mL (ppm).<br>- Manganese (Mn): 100 µg/mL (ppm).<br>- Molybdenum (Mo): 100 µg/mL (ppm).<br>- Nickel (Ni): 100 µg/mL (ppm).<br>- Potassium (K): 100 µg/mL (ppm).<br>- Silver (Ag): 100 µg/mL (ppm).<br>- Sodium (Na): 100 µg/mL (ppm).<br>- Strontium (Sr): 100 µg/mL (ppm).<br>- Thallium (Tl): 100 µg/mL (ppm).<br>- Titanium (Ti): 100 µg/mL (ppm).<br>- Tungsten (W): 100 µg/mL (ppm).<br>- Zinc (Zn): 100 µg/mL (ppm).<br></p>

<p>Reagecon's Phloroglucinol TS Solution according to United States Pharmacopoeia (USP) is specified for use in individual United States Pharmacopoeia (USP) Monographs. It is tested by an ISO 17025 Accredited Test Method (A2LA Ref: 6739.03); is NIST traceable and has guaranteed stability throughout its entire shelf life; even after opening the bottle.</p>

<p>Pricing displayed is Nett. For order quantities above 4 units, ask your sales contact for a quotation.<br><br><br>Reagecon’s Multi Element Standard for ICP; ICP-MS in 2-5% HNO₃ and trace 0.4% HF is manufactured from ultra-pure metals or salts. This product is manufactured gravimetrically using the mass balance approach: 100% less the sum of all impurities (w/w). Prior to bottling; the final product is tested and verified using ICP-MS and is reported using the gravimetric result; corrected for density. The results are reported in mg/kg and mg/L on the basis of weight and density. Reagecon hold ISO 17025 (A2LA Ref: 6739.02) accreditation for calibration of laboratory balances.<br>- GHS/OSHA compliant, REACH<br>- This product is produced in a highly controlled cleanroom (ISO 7) environment, using ultra-pure water (specially treated for the production of mass spectroscopy standards), triple distilled acids and triple leached pre-cleaned bottles. The titrimetry and spectroscopy are controlled and calibrated using separate standards, so the product comes with two layers of traceability including NIST Standards, where available. All of the uncertainties of measurement for this product are calculated according to Eurachem/CITAC guidelines and reported as expanded uncertainties at the 95% confidence level.<br><br>Description | Concentration:<br>- Arsenic (As): 1000 µg/mL (ppm).<br>- Barium (Ba): 1000 µg/mL (ppm).<br>- Cadmium (Cd): 1000 µg/mL (ppm).<br>- Cobalt (Co): 1000 µg/mL (ppm).<br>- Chromium (Cr): 1000 µg/mL (ppm).<br>- Copper (Cu): 1000 µg/mL (ppm).<br>- Manganese (Mn): 1000 µg/mL (ppm).<br>- Molybdenum (Mo): 1000 µg/mL (ppm).<br>- Nickel (Ni): 1000 µg/mL (ppm).<br>- Lead (Pb): 1000 µg/mL (ppm).<br>- Antimony (Sb): 1000 µg/mL (ppm).<br>- Selenium (Se): 1000 µg/mL (ppm).<br>- Tin (Sn): 1000 µg/mL (ppm).<br>- Strontium (Sr): 1000 µg/mL (ppm).<br>- Titanium (Ti): 1000 µg/mL (ppm).<br>- Thallium (Tl): 1000 µg/mL (ppm).<br>- Vanadium (V): 1000 µg/mL (ppm).<br>- Zinc (Zn): 1000 µg/mL (ppm).<br></p>

<p>Reagecon's pH 6.86 at 25°C Equimolal Phosphate 0.05M according to United States Pharmacopoeia (USP) is specified for use in individual United States Pharmacopoeia (USP) Monographs. It is tested by an ISO 17025 Accredited Test Method (A2LA Ref: 6739.03); is NIST traceable and has guaranteed stability throughout its entire shelf life; even after opening the bottle.</p>

<p>Reagecon's Bromothymol Blue R3 Solution is a high quality Indicator Solution produced from the highest quality raw materials and manufactured and tested under rigorous conditions. For manual titrations; indicator titrant or analyte change colour and this colour change is by far the most important method of end point detection, in such titrations. A high quality indicator solution such as Reagecon's facilitates end point detection, in a clear and unambiguous manner and is an imperative for accurate manual titrimetry.</p>

<p>Reagecon's Zirconium Standard for ICP; ICP-MS 1000 µg/mL (1000 ppm) in 1% Hydrofluoric Acid (HF) and 5% Nitric Acid (HNO₃) for ICP or ICP-MS is manufactured from ultra-pure metal (99.999%). This product is manufactured gravimetrically using the mass balance approach: 100% less the sum of all impurities (w/w). Prior to bottling; the final product is tested and verified using ICP-MS and is reported using the gravimetric result; corrected for density. To a specification of ± 0.2%. The results are reported in mg/kg and mg/L on the basis of weight and density. Reagecon hold ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances.<br>- GHS/OSHA compliant, REACH<br>- This product is produced in a highly controlled cleanroom (ISO 7) environment, using ultra-pure water (specially treated for the production of mass spectroscopy standards), triple distilled acids and triple leached pre-cleaned bottles. The titrimetry and spectroscopy are controlled and calibrated using separate standards, so the product comes with two layers of traceability including NIST Standards, where available. All of the uncertainties of measurement for this product are calculated according to Eurachem/CITAC guidelines and reported as expanded uncertainties at the 95% confidence level.<br></p>