Étalons physico-chimiques
Les standards physicochimiques sont des matériaux de référence essentiels utilisés pour garantir la précision et la fiabilité de diverses mesures analytiques dans la recherche scientifique et les applications industrielles. Cette catégorie comprend une large gamme de standards tels que les standards de conductivité, les standards d'électrochimie et les standards et réactifs ICP-OES/ICP-MS, qui sont cruciaux pour les analyses élémentaires précises et les mesures de conductivité. Les solutions tampons de pH et les réactifs de carbone organique/inorganique total sont vitaux pour maintenir les niveaux de pH et mesurer la teneur en carbone dans les échantillons. Les standards de la Pharmacopée Européenne (EP), de la Pharmacopée des États-Unis (USP) et d'autres pharmacopées fournissent des points de référence pour le contrôle de qualité pharmaceutique. D'autres standards, tels que ceux de turbidité, de densité, de réfractométrie et de viscosité, garantissent des mesures précises des propriétés physiques. Les standards spécialisés, comme ceux pour l'industrie du vin, des produits laitiers et pétrochimiques, soutiennent le contrôle de qualité et la conformité réglementaire dans des secteurs spécifiques. Ces standards physicochimiques jouent un rôle crucial dans l'assurance de la validité et de la reproductibilité des résultats expérimentaux, soutenant une large gamme d'applications, de la surveillance environnementale aux tests pharmaceutiques et à la science des matériaux.
Sous-catégories appartenant à la catégorie "Étalons physico-chimiques"
- Étalons de couleur(74 produits)
- Étalons de cryoscopie(10 produits)
- Étalons de densité(107 produits)
- Étalons de point de fusion(16 produits)
- Étalons d'osmolalité(27 produits)
- Normes d'Indice de Réfraction(96 produits)
- Étalons de turbidité(137 produits)
- Étalons de viscosité(75 produits)
3970 produits trouvés pour "Étalons physico-chimiques"
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Reagecon Cupric Sulfate TS Solution according to United States Pharmacopoeia (USP)
CAS :Reagecon's Cupric Sulfate 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.Couleur et forme :LiquidReagecon Refractive Index Standard (Stabilised Sucrose) 1.39032 nD units at 20°C
Reagecon's Refractive Index Standards (Stabilised Sucrose) 1.39032 nD at 20°C is a high quality product, with an extended shelf life to be used either as a calibrant or analytical control material for use in Refractive Index based methods for Refractive Index determination. This product can be used on any make or model of refractometer. The product is tested using a state of the art refractometer, manufactured gravimetrically and is traceable. Reagecon holds ISO 17025 accreditation for the test method used to certify this product. - Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.03) for testing Refractive Index (Brix standards) using refractometry. This product has an uncertainty of measurement of ± 0.00014 nD units. It is stable for one year; either opened or unopened and is presented in a convenient 15ml dropper bottle. The product is prepared gravimetrically on a weight/weight basis. Both solute and solvent are weighed on a balance calibrated by OIML traceable weights. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. - High accuracy (± 0.00014 nD units) - Tested using a state of the art RefractometerCouleur et forme :LiquidReagecon Osmolality Standard 320 mOsm/Kg Protein Based
Reagecon's Osmolality Standard 320 mOsm/kg is tested by our ISO 17025 Accredited Test Method (A2LA Ref: 6739.03). The Osmolality results are reported in milliOsmoles per kilogram water (mOsm/kg H₂O shortened to mOsm/kg for routine use). This product is manufactured in compliance with European; United States and Chinese Pharmacopoeia guidelines where appropriate." - Manufactured in accordance with European and United States Pharmacopoeia guidelines where appropriate. - "These standards are used for calibration; quality control; method validation and instrument calibration irrespective of brand." - Low Uncertainty of Measurement. - Manufactured to exacting specifications with an extended shelf life and stability. - "Consistency of product - Independent; Traceable; Tested."Couleur et forme :LiquidReagecon Titanium Standard for ICP, ICP-MS 1000 µg/mL (1000 ppm) in 2-5% Nitric Acid (HNO₃) and trace Hydrofluoric Acid (HF)
Reagecon's Titanium Standard for ICP; ICP-MS 1000 µg/mL (1000 ppm) in 2-5% Nitric Acid (HNO₃) and trace Hydrofluoric Acid (HF) 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.Couleur et forme :LiquidReagecon Acetate Buffer pH 4.5 Dissolution Media in accordance to United States (USP) and European Pharmacopoeias (EP)
Reagecon's Acetate Buffer pH 4.5 Dissolution Media is a ready to use solution, specifically formulated to perform dissolution studies on solid form pharmaceutical preparations. The product is prepared in accordance with relevant Pharmacopoeia requirements, without any deviations in materials or methodology from the Pharmacopoeia methods. - The product has the reported accuracy and guaranteed stability of 2 years.Couleur et forme :LiquidReagecon Ferric Ammonium Sulfate Stock Solution Fe 100 µg/mL according to Chinese Pharmacopoeia (ChP) Limit Tests
Reagecon's Ferric Ammonium Sulfate Stock Solution Fe 100 µg/mL is a high purity stable product developed and tested for several Chinese Pharmacopoeia (ChP) applications. - This Reagecon ChP reagent is accurate, stable and reproducible. Stability is proven (either opened or unopened) for the shelf life of this product.Couleur et forme :LiquidReagecon Bromophenol Blue Indicator 0.05% Solution
Reagecon's Bromophenol Blue Indicator 0.05% 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 Bromophenol Blue Indicator 0.05% Solution facilitates end point detection, in a clear and unambiguous manner and is an imperative for accurate manual titrimetry.Couleur et forme :LiquidReagecon pH 9.23 DIN 19267 Buffer Solution at 25°C
Reagecon's DIN 19267 pH Buffer Solution at 25°C is tested by our ISO 17025 Accredited Test Method (A2LA Ref: 6739.03) and NIST traceable.Couleur et forme :LiquidReagecon Acetate Buffer TS Solution according to United States Pharmacopoeia (USP)
Reagecon's Acetate Buffer 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.Couleur et forme :LiquidReagecon Potassium Iodide TS Solution according to United States Pharmacopoeia (USP)
Reagecon's Potassium Iodide 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.Couleur et forme :LiquidReagecon N15000 Kinematic Viscosity, Dynamic Viscosity and Density Standard
Reagecon’s N15000 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.Couleur et forme :LiquidReagecon Brix Standard (Stabilised) 5% at 20°C
Reagecon's Brix Standard (Stabilised) 5% at 20°C is a high quality product; with an extended shelf life to be used either as a calibrant or analytical control material for use in Refractive Index based methods for Brix determination. This product can be used on any make or model of refractometer. The product is tested using a state of the art refractometer; manufactured gravimetrically and is traceable. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.03) for the test method used to certify this product (TPR1A 01). - Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.03) for testing Refractive Index (Brix standards) using refractometry. This product has an uncertainty of measurement of ± 0.11%. It is stable for one year; either opened or unopened and is presented in a convenient 15ml dropper bottle. The product is prepared gravimetrically on a weight/weight basis. Both solute and solvent are weighed on a balance calibrated by OIML traceable weights. Reagecon holds ISO 17025 accreditation (A2LA Ref: 6739.02) for calibration of laboratory balances. - High accuracy (± 0.11%) - Tested using a state of the art RefractometerCouleur et forme :LiquidReagecon Ion Chromatography (IC) Multi Element Cation Standard (5 Elements) in Water (H₂O)
Reagecon's Ion Chromatography (IC) Multi Element Cation Standard (5 Elements) in H₂O is manufactured from ultra-pure salts. 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. 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 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. Description | Concentration: - Calcium (Ca): 10 µg/mL (ppm). - Potassium (K): 10 µg/mL (ppm). - Magnesium (Mg): 10 µg/mL (ppm). - Sodium (Na): 10 µg/mL (ppm). - Ammonium (NH₄): 10 µg/mL (ppm).Couleur et forme :LiquidReagecon Congo Red Paper according to European Pharmacopoeia (EP) Chapter 4 (4.1.1)
Reagecon's Congo Red Paper 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.Couleur et forme :LiquidReagecon Calcium Sulphate Solution according to European Pharmacopoeia (EP) Chapter 4 (4.1.1)
Reagecon Calcium Sulphate 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). - This Reagecon EP reagent is accurate, stable and reproducible. Stability is proven (either opened or unopened) for the shelf life of this product.Couleur et forme :LiquidReagecon pH 4.65 DIN 19267 Buffer Solution at 25°C
Reagecon's DIN 19267 pH Buffer Solution at 25°C is tested by our ISO 17025 Accredited Test Method (A2LA Ref: 6739.03) and NIST traceable.Couleur et forme :LiquidReagecon Silver Nitrate 0.02M (0.02N) Analytical Volumetric Solution (AVL)
Reagecon's Silver Nitrate 0.02M (0.02N) 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.Couleur et forme :LiquidReagecon R6 Colour Reference Solution according to European Pharmacopoeia (EP)
Reagecon’s R6 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 spectrophotometerCouleur et forme :LiquidReagecon 10 NTU Ratio Turbidity Standard
Reagecon 10 NTU Ratio Turbidity Standard is a suspension of polymer microspheres. The product has guaranteed stability throughout its entire shelf life; even after opening the bottle. - Reagecon’s Turbidity Standards for ratio instruments are composed of suspended polymer microspheres; with well defined spherical shape. - Designed and formulated to overcome the adverse safety; accuracy and stability issues experienced with Formazin Turbidity Standards. - Traceable to NIST standard reference materials. - Manufactured to exacting specifications with an extended shelf life and stability; even after opening the bottle. - US EPA approved for drinking water turbidity. - Non-toxic and non-carcinogenic. - Reagecon also offers a range of Stabilised Formazin Turbidity Standards which are marketed under the Turbiform™ brand See More …Couleur et forme :Liquid
