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® ARISTAR®, Sodium Standard Solution, 1000 mg/L Na in dil. Nitric Acid (from Na), Standard for Ion Chromatography

Catalog Number: (458232D)

Supplier: VWR Chemicals

Description: Na in H₂O tr.HNO₃.

UOM: 1 * 100 mL

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VWR®, Zinc standard solutions for ICP-MS, ARISTAR®

Supplier: VWR Chemicals

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

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VWR® AVS TITRINORM, Silicon Standard Solution, 1000 mg/L Si in Water, Standard for AAS

Supplier: VWR Chemicals

Description: Silicium Standard, 1000 mg/L, VWR® AVS TITRINORM, Silicon, Matrix: H₂O, Application: AAS standards

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VWR®, Calcium standard solution, 10000 mg/L Ca in dil. nitric acid (from CaCO₃) ARISTAR® standard for ICP

Supplier: VWR Chemicals

Description: CaCO₃ in HNO₃ 2 to 5%.

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VWR® AVS TITRINORM, Cobalt Standard Solution, 1000 mg/L Co in dil. Nitric Acid, Standard for AAS

Supplier: VWR Chemicals

Description: Cobalt Standard, 1000 mg/L, VWR® AVS TITRINORM, Cobalt, Matrix: 5% HNO₃, Application: AAS standards

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VWR®, General purpose viscosity standards

Supplier: VWR Chemicals

Description: These ISO 17025 and ISO 17034 certified general purpose viscosity standards provide certified kinematic viscosity, dynamic viscosity and density data across temperature ranges from 20 to 100 °C.

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VWR®, TOC standard solutions

Supplier: VWR Chemicals

Description: Potassium hydrogen phthalate solutions.

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VWR® ARISTAR®, Cyanide 1000 mg/L Standard for ion chromatography in 0.1% KOH, Certified Reference Material

Catalog Number: (85784.260)

Supplier: VWR Chemicals

Description: This certified reference material is produced using a high purity starting material, acid from sub-boiling and 18 MOhm deionized water and filtered through a 0.2 micron filter.

UOM: 1 * 500 mL

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