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® ARISTAR®, Selenium Standard Solution, 10000 mg/L Se in dil. Nitric Acid (from Se), Standard for ICP
Supplier: VWR Chemicals
Se in HNO₃ 2 to 5%.
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VWR® ARISTAR®, Silver Standard Solution, 10000 mg/L Ag in dil. Nitric Acid (from AgNO₃), Standard for ICP
Supplier: VWR Chemicals
AgNO₃ in HNO₃ 2 to 5%.
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VWR® ARISTAR®, ICP Multi-Element Calibration Standard 3 in dilute Nitric Acid
Supplier: VWR Chemicals
In 2% nitric acid solution.
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VWR® ARISTAR®, Strontium Standard Solution, 10000 mg/L Sr in dil. Nitric Acid (from Sr(NO₃)₂), Standard for ICP
Supplier: VWR Chemicals
Sr(NO₃)₂ in HNO₃ 2 to 5%.
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VWR®, Primary colour solutions, Reagent Ph. Eur.
Supplier: VWR Chemicals
Complete range of reagents and standard solutions in Chapters 2 and 4 of the current European Pharmacopoeia.
All are manufactured and tested in compliance with the Ph. Eur. and are supplied with detailed Certificates of Analysis showing batch number, and expiry date.
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VWR® ARISTAR®, Beryllium Standard Solution, 10000 mg/L Be in dil. Nitric Acid, Standard for ICP
Supplier: VWR Chemicals
BeO.(Be(OAc)₂)₃) in HNO₃ 2 to 5%.
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VWR® ARISTAR® Multi-Component Anion Mix 9, Avantor
Supplier: VWR Chemicals
Two solutions - a nitrite standard solution and a 6 component multi-element standard solution.
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VWR® ARISTAR® Multi-Component Anion Mix 10, Avantor
Supplier: VWR Chemicals
Two solutions - a nitrite standard solution and also a 6 component multi-element standard solution.
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VWR®, Organic reference standard, Aroclor 1260 (PCB-mixture, 60% chlorinated) 35 µg/ml in isooctane
Supplier: VWR Chemicals
Organic Standard, Aroclor 1260 (PCB-mixture, 60% chlorinated) 35 µg/ml in isooctane, Pack type: Glass ampoule
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VWR®, Organic reference standard, Aroclor 1242 (PCB-mixture, 42% chlorinated) 1000 µg/ml in hexane
Supplier: VWR Chemicals
Organic Standard, Aroclor 1242 (PCB-mixture, 42% chlorinated) 1,000 µg/ml in hexane, Pack type: Glass ampoule
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VWR®, Organic reference standard, Benzo[a]pyrene 50 µg/ml in toluene
Supplier: VWR Chemicals
Organic Standard, Benzo[a]pyrene 50 µg/ml in toluene, Pack type: Glass ampoule
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VWR®, Benzene 200 µg/ml in methanol, organic reference standard
Supplier: VWR Chemicals
Organic Standard, Benzene 200 µg/ml in methanol, Pack type: Glass ampoule
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VWR®, Organic reference standard, Volatile Organic Compound Mix 1 (Liquid)
Supplier: VWR Chemicals
Organic Standard, Volatile Organic Compound Mix 1 (Liquid), Pack type: Glass ampoule
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VWR®, Organic reference standard, Chloroethylene 200 µg/ml in methanol
Supplier: VWR Chemicals
Organic Standard, Chloroethylene 200 µg/ml in methanol, Pack type: Glass ampoule
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VWR®, Organic reference standard, Chloroethane 200 µg/ml in methanol
Supplier: VWR Chemicals
Organic Standard, Chloroethane 200 µg/ml in methanol, Pack type: Glass ampoule
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VWR®, Chlorpyrifos, pesticide reference standard, 100 µg/ml in methanol
Supplier: VWR Chemicals
Organic Standard, Chlorpyrifos 100 µg/ml in methanol, Pack type: Glass ampoule
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Supplier: VWR Chemicals
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