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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®, Density Standards Referenced at 80 °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®, Sulphur standard solutions for ICP-MS, ARISTAR®

Supplier: VWR Chemicals

Sulphur Standard, 1000 mg/L, VWR®, Sulphur, Matrix: H₂O, Application: ICP-MS standards

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VWR®, Diesel and lubricant, multi-parameter Certified Reference Materials (MPCRM)

Supplier: VWR Chemicals

MPCRM’s provide both calibration and verification options for laboratory test equipment, all from the same sample, with their values certified to the highest level of accreditation integrity available globally.

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VWR® ARISTAR®, Multi-Element Quality Control Standard 100 mg/L, 9 Elements in Hydrochloric Acid 10% for ICP

Supplier: VWR Chemicals

Multi-Element Standard, Multi-element quality control standard 100 mg/L {Au; Ir; Pd; Pt; Rh; Ru; Os; Sn; Te} ARISTAR® for ICP, VWR® ARISTAR®, Matrix: 10% HCl, Application: ICP standards

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VWR® PESTINORM®, GC Multiresidue Pesticide Standard (Mix 9) - 8 components, CRM

Supplier: VWR Chemicals

A standard mixture, typically used for food testing, containing the following components: 100 ug/ml each of Disulfoton [CAS:298-04-4] ; Fonofos [CAS:944-22-9] ; Parathion-methyl [CAS:298-00-0] ; Mevinphos [CAS:7786-34-7] ; Parathion [CAS:56-38-2] ; Phorate [CAS:298-02-2] ; Piperonyl butoxide [CAS:51-03-6] ; Triazophos [CAS:24017-47-8] in Toluene

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VWR® ARISTAR®, ICP Multi-Element Calibration Standard 2 in dilute Nitric Acid

Supplier: VWR Chemicals

In 2% nitric acid solution.

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VWR®, Secondary reference standards for volumetric titration

Supplier: VWR Chemicals

The VWR® range of secondary reference standards offers extraordinary purity and homogeneity, and are perfectly suited for the verification factors for volumetric solutions.

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VWR®, Paints and coatings viscosity standards

Supplier: VWR Chemicals

Paints and coatings viscosity standards provide certified kinematic viscosity, dynamic viscosity, density and (where applicable) Krebs data across temperature ranges at 20, 23 and 25 °C, also includes the calculated flow time of the oil in 0,5 °C intervals. Ideal for those in the paint and coatings industry.