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®, Multi-Element Quality Control Standard 100 mg/L, 22 Elements in Nitric Acid 5% for ICP

Supplier: VWR Chemicals

22 elements 100 mg/L: As, Be, Bi, Ca, Cd, Co, Cr, Cu, Fe, Li, Mg, Mn, Mo, Ni, Pb, Sb, Se, Sr, Ti, Tl, V, Zn.

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VWR®, Conductivity standards at 25 °C, potassium chloride solutions

Supplier: VWR Chemicals

KCl 0,01 mol/L, VWR®, 1,41 mS/cm, Reference temperature: 25 °C

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VWR® Conductivity standard, CRM, 5000 μS/cm

Supplier: VWR Chemicals

Directly traceable to NIST, tested and certified to ISO17025 and ISO 17034

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VWR®, Standards for water determination by the Karl Fischer method

Supplier: VWR Chemicals

The tightening of regulatory requirements and the increasing demands of QA/QC methodology is becoming more important across all market sectors. The demand for standards to support testing methods continues to increase, and this growth applies to water determination according to Karl Fischer. Avantor now offers a complete range of Karl Fischer water standards as CRMs to calibrate and monitor equipment and check test results.

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VWR® ARISTAR®, Multi-Element Quality Control Standard, 100 mg/L for 33 Elements, for ICP

Supplier: VWR Chemicals

33 elements 100 mg/L: Al, Ag, As, B, Ba, Be, Bi, Ca, Cd, Cs, Co, Cr, Cu, Fe, In, K, Li, Mg, Mn, Mo, Na, Ni, Nb, Pb, Rb, Sb, Se, Sr, Ti, Tl, V, U, Zn.

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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, 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® ARISTAR®, Multi-Element Quality Control Standard 100 mg/L, 28 Elements in Nitric Acid 5% for ICP

Supplier: VWR Chemicals

28 elements 100 mg/L: Al, Ag, As, B, Ba, Be, Bi, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, Pb, Sb, Se, Sr, Ti, Tl, V, Zn.

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VWR® ARISTAR®, ICP Multi-Element Quality Control Standard 10 mg/L, 22 Elements in Nitric Acid 5%

Supplier: VWR Chemicals

22 elements 10 mg/L: As, Ba, Be, Cd, Co, Cr, Cu, Fe, Al, Mn, Mo, Ni, Pb, Sb, Se, Sn, Ti, Tl, V, U, Te, Zn.

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VWR®, Combined Six Cation Standard-II, 6 components in H₂O

Supplier: VWR Chemicals

6 components: Lithium (Li+) 50 mg/l, Sodium (Na+) 200 mg/l, Ammonium (NH4+) 250 mg/l, Potassium (K+) 500 mg/l, Calcium (Ca2+) 500 mg/l, Magnesium (Mg2+) 250 mg/l in H₂O

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VWR®, Colour standards, Platinum-Cobalt (Pt-Co, Hazen)

Supplier: VWR Chemicals

Ready to use colour solutions that are prepared gravimetrically on a weight/weight basis and are designed to measure the visual colour of water supplies.

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VWR®, Standards for the determination of Hydrocarbon Oil Index (HOI)

Supplier: VWR Chemicals

VWR® offers a complete range of products for the determination of the hydrocarbon oil index (HOI) in accordance with EN ISO 9377-2 (DIN H53).

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VWR®, Malathion, pesticide reference standard (1,2-Bis(ethoxycarbonyl)ethyl O,O-dimethyl phosphorodithioate), 100 µg/ml in methanol

Supplier: VWR Chemicals

Organic Standard, Malathion (1,2-Bis(ethoxycarbonyl)ethyl O,O-dimethyl phosphorodithioate) 100 µg/ml in methanol, Pack type: Glass ampoule

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VWR®, Fuel testing standards - jet aviation fuel

Supplier: VWR Chemicals

Fuel testing Certified Reference Materials are for the verification of laboratory instruments used in testing petroleum and derivative products. This includes, but is not limited to, the analysis and measurement of: Acidity content, sulphur content, aniline point, Fluorescent Indicator Adsorption (FIA) aromatics, freezing point.