Standards

Meeting regulations in any industry, standards are essential for periodically checking the accuracy of equipment pieces. By comparing against the known values, output readings detect errors present and inform personnel adjustments are required. Once the settings of the manual or automatic instruments have returned to zero, the reestablished conditions will yield optimal working performance. Calibrating with concentrated standards eliminates the possibility that environmental changes will induce instrumental miscalculation when accuracy matters most.

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VWR®, Conductivity standard solutions

Supplier: VWR Chemicals

A complete range of certified control standards with values ranging from 1,3 to 500000 µs to meet all the requirements for electrochemical analysis.

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VWR® ARISTAR®, Calcium Standard Solutions for ICP-MS

Supplier: VWR Chemicals

Calcium Standard, 10000 mg/L, VWR® ARISTAR®, Calcium, Matrix: 2-5% HNO₃, Application: ICP-MS standards

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VWR®, Perfluorooctane sulphonic acid, Certified Reference Material (CRM)

Supplier: VWR Chemicals

Per- and polyfluoroalkyl substances (PFAS) are amongst the primary emerging contaminants of concern. The detection and quantification of known PFAS and the discovery of unknown PFAS substances has never been more important.

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VWR® ARISTAR®, Phosphorus Standard Solutions for ICP-MS

Supplier: VWR Chemicals

Phosphorus Standard, 1000 ppm, VWR® ARISTAR®, Phosphorus, Matrix: H₂O, Application: ICP-MS standards

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VWR® ARISTAR®, Strontium Standard Solution, 1000 mg/L Sr in dil. Nitric Acid (from Sr(NO₃)₂), Standard for ICP

Supplier: VWR Chemicals

Sr(NO₃)₂ in HNO₃ 2 to 5%.

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VWR®, Yttrium standard solution, 1000 mg/L Y in dil. nitric acid (from Y₂O₃) ARISTAR® standard for ICP

Supplier: VWR Chemicals

Y₂O₃ in HNO₃ 2 to 5%.

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VWR®, Standard solution (250 ppm NH₄) for the preparation of Ammonium standard solution (2.5 ppm NH₄) Reag.Ph.Eur.; 5000301

Supplier: VWR Chemicals

Ammonium Standard, Ammonium standard solution, 250 mg/L, VWR®, Matrix: H₂O

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VWR® ARISTAR®, Sulphate Standard Solution, 1000 mg/L SO₄²⁻ in Water (from K₂SO₄) Standard for Ion Chromatography

Supplier: VWR Chemicals

K₂SO₄ in H₂O.

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VWR® ARISTAR®, Silicon Standard Solution, 1000 mg/L Si in Water with Hydrofluoric Acid (max. 1%) (from (NH4)2SiF6), Standard for ICP

VWR® ARISTAR®, Silicon Standard Solution, 1000 mg/L Si in Water with Hydrofluoric Acid (max. 1%) (from (NH₄)₂SiF₆), Standard for ICP

Supplier: VWR Chemicals

(NH₄)₂ SiF₆ in H₂O tr. HF.

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VWR® ARISTAR®, Vanadium Standard Solution, 1000 mg/L V in dil. Nitric Acid (from V2O5), Standard for ICP

Supplier: VWR Chemicals

V₂O₅ in HNO₃ 2 to 5%.

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VWR®, Mercury standard solution, 1,000 mg/l Hg in dil. nitric acid (from Hg) ARISTAR® standard for ICP

Supplier: VWR Chemicals

Hg in HNO₃ 10%.

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VWR® ARISTAR®, Magnesium Standard Solution, 10000 mg/L Mg in dil. Nitric Acid (from MgO), Standard for ICP

Supplier: VWR Chemicals

MgO in HNO₃ 2 to 5%.

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VWR®, Gold standard solution, 1,000 mg/L Au in 10% hydrochloric acid (from Au) ARISTAR® standard for ICP

Supplier: VWR Chemicals

Au in HCl 10%.

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ARISTAR®VWR® , Magnesium Standard Solution, 1000 mg/L Mg in dil. Nitric Acid (from MgO), Standard for ICP

Supplier: VWR Chemicals

MgO in HNO₃ 2 to 5%.

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VWR®, Colour reference solutions acc. to Ph. Eur., ready to use

Supplier: VWR Chemicals

These solutions are developed and produced according to chapter 2.2.2. 'Degree of colouration of liquids' of the European Pharmacopoeia. (brown, brown-yellow, green-yellow, red and yellow). These kits are ready to use, and are dedicated to help you save time and money because preparation of these solutions is very complex.