Padrões físico-químicos

Reagecon's Silver Nitrate 0.0141M (0.0141N ) Analytical Volumetric Solution (AVL) is a fully factorised, high purity, stable product, developed and tested for precipitation (argentometric) titrations.  This Analytical Volumetric Solution, also called titrant, standard titrant or standard solution, is tested to a specification of ± 0.1%. It is a reagent of known concentration, that is dispensed from a burette or other dispensing apparatus to a sample (analyte), until a reaction between the two liquids is judged to be complete.  The product may be used for manual titrations, or more commonly automatic titrations, to determine the end points by detection of any of several properties.  Precipitation titrimetry is based on reactions that yield compounds of limited solubility. - Titration is a rapid, economical and versatile analytical tool. This Reagecon titrant is accurate, stable, reproducible and fully factorised. Titrations performed with this product, exhibit defined stoichiometry, are quantitative, establish an equilibrium that is definitive and fast and provide unambiguous results. Stability is proven (either opened or unopened) for the shelf life of this product.

Pricing displayed is Nett. For order quantities above 4 units, ask your sales contact for a quotation. 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. - GHS/OSHA compliant, REACH - 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. Description | Concentration: - Arsenic (As): 1000 µg/mL (ppm). - Beryllium (Be): 1000 µg/mL (ppm). - Molybdenum (Mo): 1000 µg/mL (ppm). - Selenium (Se): 1000 µg/mL (ppm). - Titanium (Ti): 1000 µg/mL (ppm). - Vanadium (V): 1000 µg/mL (ppm).

Reagecon's Thymol Blue Indicator 0.04% Alcoholic 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 Thymol Blue Indicator 0.04% Alcoholic Solution facilitates end point detection, in a clear and unambiguous manner and is an imperative for accurate manual titrimetry.

Reagecon's Calcium Standard for ICP; ICP-MS 1000 µg/mL (1000 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. - GHS/OSHA compliant, REACH - 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.

Reagecon's Hydrochloric Acid 0.5M according to Chinese Pharmacopoeia (ChP) is a fully factorised, high purity, stable product, developed and tested for titrations. This is an Analytical Volumetric Solution, also called titrant, standard titrant or standard solution. It is a reagent of known concentration, that is dispensed from a burette or other dispensing apparatus to a sample (analyte), until a reaction between the two liquids is judged to be complete. The product may be used for manual titrations, or more commonly automatic titrations also called potentiometric titration, to determine the end points by detection of any of several properties as detailed in several ChP monographs. - NIST Traceable - Titration is a rapid, economical and versatile analytical tool. This Reagecon Analytical Volumetric Solution is accurate, stable, reproducible and fully factorised. Titrations performed with this product, exhibit defined stochiometry, are quantitative, establish an equilibrium that is definitive and fast and provide unambiguous results. Stability is proven (either opened or unopened) for the shelf life of this product.

Reagecon Biuret Reagent is a high purity stable product developed and tested for European Pharmacopoeia (EP) applications.  These include use as a reagent in the performance of tests outlined in several EP monographs. - This Reagecon EP reagent is accurate, stable and reproducible. Stability is proven (either opened or unopened) for the shelf life of this product.

Reagecon Acetic Acid Dilute (12%) 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 limit tests (4.1.2), a component of buffer solutions (4.1.3), 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. - NIST traceable - This Reagecon EP reagent is accurate, stable and reproducible. Stability is proven (either opened or unopened) for the shelf life of this product.

Reagecon's Platinum-Cobalt (Hazen) 5 Colour Standard can be used to calibrate, control, qualify or validate colour measurement instruments. This standard can be described as Platinum-Cobalt, Pt-Co, Hazen or APHA colour. All descriptions are interchangeable. This product is used extensively in the water industry and several other industries. The standard covers the requirements of ASTM Method D 1209.

Reagecon's Hydrochloric Acid 0.1N and 1.0% Sodium Dodecyl Sulphate Dissolution Media Concentrate is presented in concentrate form. This concentrate measures 961.5ml in volume in each bottle and the contents of each bottle can be diluted to produce 25L of working solution in water. This diluted volume is the working Dissolution Medium. The product is prepared and when diluted can be used in accordance with relevant pharmacopoeia requirements. - This product is presented as a concentrate in order to facilitate easy shipping, storage and handling. - The pack contains 6 bottles, each of which has a volume of 961.5ml of solution, each 961.5ml bottle is diluted to give 25L of ready to use Dissolution Medium.

Reagecon's Sulphate Standard for Ion Chromatography (IC) 1 mg/mL (1000 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. - GHS/OSHA compliant, REACH - 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.

Reagecon's Concentrate to make Chloride (Cl) 8ppm Standard Solution is used in the preparation of other reagents and as specified in individual monographs. 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%. Reagecon hold ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. - 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). 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.

Reagecon’s B5 Brown Colour Reference Solution is formulated as a reference solution for the examination of the degree of colouration of liquids in accordance with the European Pharmacopoeia Chapter 2.2.2. This product is produced by combining Reagecon Primary Colour Solutions. - Concentration verified using a high performance spectrophotometer.

This standard is an aqueous suspension of a formazin type product that carries all of the advantages of formazin but eliminates its shortcomings. It is stable; safe; EPA approved and accurate. - Reagecon have developed a proprietary synthetic process that produces a family of products called Turbiform™. These products combine most of the positive attributes of the formazin and AMCO APEA-1 range of standards already available from Reagecon; whilst eliminating most of the shortcomings. Most importantly; this process does not interfere adversely with the status of formazin as the recognised primary standard. - Product exhibits a wide range of particle sizes; shapes and slopes (similar to formazin) mean diameter 3 µm with distribution of between 1 and 20 microns; which are similar to the particle size and distribution found in most sample types. - This product can be used to calibrate; control; validate or qualify; almost any make or model of Turbidity measuring instrument. - Traceable to NIST reference material 1690 and 1691 - Can be used to calibrate; control; validate or qualify almost any make or model of instrument

Pricing displayed is Nett. For order quantities above 4 units, ask your sales contact for a quotation. Reagecon’s Multi Element Standards for ICP; ICP-MS in Hydrochloric Acid (HCl) 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 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. - GHS/OSHA compliant, REACH - 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. Description | Concentration: - Tin (Sn): 1000 µg/mL (ppm). - Titanium (Ti): 1000 µg/mL (ppm).

Reagecon's Gardner 14 Colour Standard can be used to calibrate, control, qualify or validate colour measurement instruments. This product which is specified in ASTM D1544, D 6166, AOCS Td 1a and MS 817 Part 10 is very applicable to similarly coloured liquids including several vegetable and mineral oils.

Reagecon's N14 Kinematic Viscosity, Dynamic Viscosity and Density Standard can be used to calibrate, control or validate all types of viscometers including capillary, flow cup, rotational, falling ball, falling/rising object, stabinger and vibrational viscometers.This Viscosity Standard and all Reagecon Viscosity Standards are reported to 4 significant figures on their Certificate of Analysis.Only 2 significant figures are shown here for expediency of layout.   - This product has been tested according to ASTM method D 2162 for Kinematic Viscosity using Ubbelohde Master Viscometers. - The Density has been tested in accordance with ASTM method D4052 (Kinematic Viscosity x Density = Dynamic Viscosity). - Kinematic Viscosity values and Density values are traceable to the Primary Standard of pure water at 20°C as adopted by NIST. Temperature values are traceable via National Standards to the ITS-90 temperature scale.

Pricing displayed is Nett. For order quantities above 4 units, ask your sales contact for a quotation. 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. - GHS/OSHA compliant, REACH - 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. Description | Concentration: - Aluminium (Al): 1000 µg/mL (ppm). - Antimony (Sb): 10 µg/mL (ppm). - Arsenic (As): 100 µg/mL (ppm). - Barium (Ba): 1000 µg/mL (ppm). - Beryllium (Be): 100 µg/mL (ppm). - Boron (B): 1000 µg/mL (ppm). - Cadmium (Cd): 10 µg/mL (ppm). - Chromium (Cr): 1000 µg/mL (ppm). - Cobalt (Co): 100 µg/mL (ppm). - Copper (Cu): 1000 µg/mL (ppm). - Iron (Fe): 1000 µg/mL (ppm). - Lead (Pb): 1000 µg/mL (ppm). - Manganese (Mn): 1000 µg/mL (ppm). - Molybdenum (Mo): 10 µg/mL (ppm). - Nickel (Ni): 1000 µg/mL (ppm). - Selenium (Se): 10 µg/mL (ppm). - Silver (Ag): 10 µg/mL (ppm). - Thallium (Tl): 10 µg/mL (ppm). - Tin (Sn): 100 µg/mL (ppm). - Titanium (Ti): 1000 µg/mL (ppm). - Vanadium (V): 1000 µg/mL (ppm). - Zinc (Zn): 1000 µg/mL (ppm).

Reagecon's Cesium 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. - GHS/OSHA compliant, REACH - 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.

Reagecon's Cadmium Standard for ICP; ICP-MS 1000 µg/mL (1000 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. - GHS/OSHA compliant, REACH - 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.

Reagecon's Conductivity Standard at 25°C is tested by an ISO 17025 Accredited Test Method (A2LA Ref: 6739.03) and NIST traceable. The product is aqueous based; non-hazardous and accurate to a specification of ± 1%. - To enable analysts to achieve the correct result when measuring conductivity and to prove the correctness of that result; Reagecon has developed a high quality range of Conductivity Standards; which can be used for calibration of conductivity senors; quality control; method validation and instrument qualification. - Reagecon Conductivity Standards are aqueous based; thereby eliminating any errors attributable to matrix mismatch. - Directly traceable to NIST standard reference materials; meets the specification requirements of all the major Pharmacopoeias. - Each bottle is supplied with a comprehensive Certificate of Analysis and has a table of conductivity variation with temperature available via the product label; as are lot numbers and expiry dates for user convenience. - The low temperature coefficient of variation; reduces measurement errors and enables non-temperature controlled use and is suitable for field work. - 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. - Manufactured to exacting specifications with an extended shelf life and stability; even after opening the bottle thereby eliminating the requirement to open a fresh bottle of standard every time it is used.