標準
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®, Neodymium standard solution, 1000 mg/L Nd in dil. nitric acid (from Nd₂O₃) ARISTAR® standard for ICP
Supplier: VWR Chemicals
Nd₂O₃ in HNO₃ 2 to 5%.
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VWR® ARISTAR®, Selenium Standard Solution, 1000 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®, Organic reference standard, Chloroethylene 200 µg/ml in methanol
Supplier: VWR Chemicals
Organic Standard, Chloroethylene 200 µg/ml in methanol, パックタイプ: Glass ampoule
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VWR® ARISTAR®, Aluminium Standard Solutions for ICP
Supplier: VWR Chemicals
Al(NO₃)₃.9H₂O in HNO₃ 2 to 5%.
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VWR® ARISTAR®, Barium Standard Solution, 10000 mg/L Ba in dil. Nitric Acid (from Ba(NO₃)₂), Standard for ICP
Supplier: VWR Chemicals
Ba(NO₃)₂ in HNO₃ 2 to 5%.
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VWR® ARISTAR®, Iron Standard Solutions for ICP-MS
Supplier: VWR Chemicals
Iron Standard, 1000 mg/L, VWR® ARISTAR®, Iron, Matrix: 2-5% HNO₃, Application: ICP-MS standards
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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®, Calcium Standard Solution, 1,000 mg/L Ca in dil. Nitric Acid (from CaCO₃), Standard for ICP
Supplier: VWR Chemicals
CaCO₃ in HNO₃ 2 to 5%.
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VWR®, Acetate 1000 mg/L in water standard for ion chromatography
Supplier: VWR Chemicals
Acetate standard solution, 1000 mg/l, VWR®, Contents: CH₃COOH in H₂O, Application: Ion chromatography standards
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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®, Certified Reference Material, Cleveland Open Cup flash point
Supplier: VWR Chemicals
Flash point Certified Reference Materials are for the verification of laboratory flash point instruments that are used in testing petroleum and derivative products. COC flash point standards are tested and certified in accordance with ASTM D92 'Standard Test Method for Flash and Fire Points by Cleveland Open Cup Tester.'
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VWR® ARISTAR®, Nitrite Standard Solution, 1000 mg/L NO₂- in Water (from NaNO₂) Standard for Ion Chromatography
Supplier: VWR Chemicals
(NO₂ in H₂O).
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VWR®, Holmium perchlorate standard solution for wavelength calibration of spectophotometers, Reag. Ph. Eur
Supplier: VWR Chemicals
Standard for spectrophotometer calibration, Holmium perchlorate standard solution, Reag. Ph. Eur, VWR®, Pk Info: 3× 10 ml
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VWR® ARISTAR®, Cobalt Standard Solution, 10000 mg/L Co in dil. Nitric Acid (from Co), Standard for ICP
Supplier: VWR Chemicals
Co in HNO₃ 2 to 5%.
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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, パックタイプ: Glass ampoule
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VWR®, Nickel standard solution, 1000 mg/L Ni in dil. nitric acid AVS TITRINORM standard for AAS
Supplier: VWR Chemicals
Nickel Standard, 1000 mg/L, VWR®, Nickel, Matrix: 2% HNO₃, Application: AAS standards
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#: 20864.320
: VWR Chemicals
#: 83640.320
: VWR Chemicals
#: 31770.294
: VWR Chemicals
#: 83645.320
: VWR Chemicals