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®, 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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PAH Mix 1, EPA 610

Supplier: VWR Chemicals

Multi-component standard with 0,1 mg/ml of each component in methanol.

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

Supplier: VWR Chemicals

Cu in HNO₃ 2 to 5%.

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

Supplier: VWR Chemicals

Cadmium Standard, 1000 mg/L, VWR® ARISTAR®, Cadmium, Matrix: 2-5% HNO₃, Application: ICP-MS standards

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VWR®, Perchlorate 1,000 mg/l in Water standard for ion chromatography

Supplier: VWR Chemicals

Perchlorate 1,000 mg/l in water standard for ion chromatography, 1000 mg/l, VWR®, Contents: KClO₄ in H₂O, Application: Ion chromatography standards

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VWR®, Standard solution (1000 ppm NO₃) for the preparation of nitrate standard solution (100 ppm NO₃) Reag. Ph. Eur.; 5002100

Supplier: VWR Chemicals

Nitrate standard solution, 1000 mg/l, VWR®, Contents: KNO₃ in H₂O, Application: Ion chromatography standards

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VWR®, Chlorate 1,000 mg/L in Water standard for ion chromatography

Supplier: VWR Chemicals

Chlorate standard solution, 1000 mg/l, VWR®, Contents: NaClO₃ in H₂O, Application: Ion chromatography standards

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VWR® PESTINORM®, Tetrahydrofuran (THF), Secondary Reference Standard for GC

Supplier: VWR Chemicals

A secondary GC solvent reference standard for various chromatographic and analytical applications.

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VWR®, Scandium standard solution, 1000 mg/L Sc in dil. nitric acid (from Sc2O3) ARISTAR® standard for ICP

VWR®, Scandium standard solution, 1000 mg/L Sc in dil. nitric acid (from Sc₂O₃) ARISTAR® standard for ICP

Supplier: VWR Chemicals

Sc₂O₃ in HNO₃ 2 to 5%.

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VWR®, Sulphur, Certified Reference Materials, in heavy mineral oil

Supplier: VWR Chemicals

Sulphur CRMs are suitable for calibration, verification or for use in quality control procedures used for analysing sulphur content in petroleum products.

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VWR®, Density standards referenced at 60 °C

Supplier: VWR Chemicals

These products can be used as calibration standards for density measurements by pycnometric, vibrational or hydrometer-based techniques.

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VWR®, Ethyl oleate (neat)

Supplier: VWR Chemicals

Organic Standard, Ethyl oleate (neat), Pack type: Glass ampoule/vial

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VWR®, Ytterbium standard solution, 10000 mg/L Yb in dil. nitric acid (from Yb₂O₃) ARISTAR® standard for ICP

Supplier: VWR Chemicals

Ytterbium Standard, 10000 mg/L, VWR®, Ytterbium, Matrix: Nitric acid dil., Application: ICP standards

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

Supplier: VWR Chemicals

Samarium Standard, 10 ppm, VWR® ARISTAR®, Samarium, Matrix: 2% HNO₃, Application: ICP-MS standards

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VWR®, Residual Solvents Class 1 According to Ph. Eur. Versions 8.8 and 10

Supplier: VWR Chemicals

The level of volatile organic solvents in pharmaceutical raw materials or finished product is defined and monitored. Residual solvents are classified according to their risk assessment classes. A selection of residual solvent standards is now available from Avantor.