You Searched For: 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®, Potassium standard solution, 1,000 mg/L K in dilute nitric acid AVS TITRINORM standard for AAS

Supplier: VWR Chemicals

Description: Potassium Standard, 1000 mg/L, VWR®, Potassium, Matrix: 2% HNO₃, Application: AAS standards

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

Catalog Number: (84987.180)

Supplier: VWR Chemicals

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

UOM: 1 * 100 mL

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

Catalog Number: (84960.180)

Supplier: VWR Chemicals

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

UOM: 1 * 100 mL

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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

Catalog Number: (88084.180)

Supplier: VWR Chemicals

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

UOM: 1 * 100 mL

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

Supplier: VWR Chemicals

Description: 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

Supplier: VWR Chemicals

Description: (NH₄)₂ SiF₆ in H₂O tr. HF.

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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

Description: MgO in HNO₃ 2 to 5%.

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J.T.Baker®, Boron Standard Solution, 10000 mg/L B in Water 2% Ammonium Hydroxide (from B(OH₃)) Standard for ICP

Catalog Number: (5722.0100)

Supplier: Avantor

Description: Boron Standard, 10000 mg/L, J.T.Baker®, J.T. Baker®, Boron, Matrix: 2% NH₄OH, Application: ICP standards

UOM: 1 * 100 mL

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J.T.Baker® BAKER INSTRA-ANALYZED®, Lithium Plasma Standards

Supplier: Avantor

Description: Lithium Standard, 10000 mg/L, J.T.Baker® BAKER INSTRA-ANALYZED®, J.T. Baker®, Lithium, Matrix: 7% HNO₃, Application: ICP standards

VWR®, Lutetium standard solution, 10000 mg/L Lu in dil. nitric acid (from Lu₂O₃) ARISTAR® standard for ICP

Supplier: VWR Chemicals

Description: Lu₂O₃ in HNO₃ 2 to 5%.

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VWR®, Density Standards for the Petroleum Industry, Certified Reference Materials

Supplier: VWR Chemicals

Description: Density Certified Reference Materials are for the verification of laboratory instruments used in testing petroleum and derivative products for density in accordance with methodology, but not limited to, such as ASTM D4052, IP 365 and other equivalent international methodology.

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

Supplier: VWR Chemicals

Description: 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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