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.
VWR® PESTINORM®, 1-Propanol, 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® PESTINORM®, Acetone, 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® PESTINORM®, Acetonitrile, 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® PESTINORM®, Butyl Acetate, 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® PESTINORM®, Cyclohexane, 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® PESTINORM®, Di-isopropyl Ether, Stabilised, Secondary Reference Standard for GC
Supplier: VWR Chemicals
Stabilised with BHT (2,6-Di-tert-butyl-p-cresol, 2,6-Di-tert-butyl-4-methylphenol, Ionol) 40 ppm. A secondary GC solvent reference standard for various chromatographic and analytical applications.
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VWR® PESTINORM®, N,N-Dimethylacetamide, 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®, N,N-Dimethylformamide, secondary reference standard for GC, PESTINORM®
Supplier: VWR Chemicals
A secondary GC solvent reference standard for various chromatographic and analytical applications.
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VWR® PESTINORM®, Ethyl Acetate, 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® PESTINORM®, n-Hexane, 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®MCT 100 and MCP 100, Reference standard kits for chlorine photometers
Supplier: VWR Chemicals
The reference standards are designed to check the accuracy and the reliability of the results. They are meant to provide reassurance that the photometer is working correctly.
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VWR®, Turbidity standards Set
Supplier: VWR Chemicals
Turbidity standards in kit form or alternatively as formazine stock solutions which allows users to create their own defined standards.
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J.T.Baker® BAKER INSTRA-ANALYZED®, Palladium, 1000 µg/ml (0.1% w/v), AA Standard
Supplier: Avantor
Palladium standard is prepared by dissolution of palladium metal of 99,95% spectral purity.The metal content of the solution is confirmed by ICP analysis, traceable to NIST SRM 3138.
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VWR®, UV/Visible standards
Supplier: VWR Chemicals
For spectrophotometer calibration according to European Pharmacopoeia (Ph. Eur.)
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VWR®, Sucrose (Brix) standards, stabilised solutions for refractometry
Supplier: VWR Chemicals
A range of Brix/refractive index standards for ease of use when calibrating all types of refractometers.
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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.
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Supplier: VWR Chemicals
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Supplier: VWR Chemicals
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Supplier: VWR Chemicals