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Standards


618  results were found
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 re-established 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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Supplier:  VWR Chemicals
Description:   Organic Standard, Morpholine 1000 mg/l in aqueous solution for ion chromatography, Pack type: Plastic bottle
UOM:  1 * 500 mL

Supplier:  U.S. PHARMACOPEIA
Description:   USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the F...
UOM:  1 * 200 mg
Catalog Number: (1704003.)

Supplier:  U.S. PHARMACOPEIA
Description:   USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the F...
UOM:  1 * 600 mg
Supplier:  VWR Chemicals
Description:   A secondary GC solvent reference standard for various chromatographic and analytical applications.
UOM:  1 * 100 mL
Supplier:  VWR Chemicals
Description:   A secondary GC solvent reference standard for various chromatographic and analytical applications.
UOM:  1 * 100 mL
Supplier:  VWR Chemicals
Description:   A secondary GC solvent reference standard for various chromatographic and analytical applications.
UOM:  1 * 100 mL
Supplier:  VWR Chemicals
Description:   A secondary GC solvent reference standard for various chromatographic and analytical applications.
UOM:  1 * 100 mL
Supplier:  VWR Chemicals
Description:   Organic Standard, Aroclor 1260 (PCB-mixture, 60% chlorinated) 35 µg/ml in isooctane, Pack type: Glass ampoule
UOM:  1 * 1 mL
Supplier:  VWR Chemicals
Description:   Organic Standard, Aroclor 1242 (PCB-mixture, 42% chlorinated) 1,000 µg/ml in hexane, Pack type: Glass ampoule
UOM:  1 * 1 mL
Supplier:  VWR Chemicals
Description:   A set for linearity check of the absorbance of spectrophotometers.
UOM:  1 * 4 parts
Supplier:  VWR Chemicals
Description:   Organic Standard, Chlorpyrifos 100 µg/ml in methanol, Pack type: Glass ampoule
UOM:  1 * 1 mL
Supplier:  VWR Chemicals
Description:   Organic Standard, Chloroethylene 200 µg/ml in methanol, Pack type: Glass ampoule
UOM:  1 * 1 mL

Supplier:  HACH
Description:   Turbidity, Stablcal® stabilized formazine standard, 4000 NTU, Type: Formazine, 5× 100 ml
UOM:  1 * 1 KIT
Supplier:  HACH
Description:   Calibration solutions for Lico spectral colorimeter.
UOM:  1 * 1 KIT
Supplier:  VWR Chemicals
Description:   A secondary GC solvent reference standard for various chromatographic and analytical applications.
UOM:  1 * 100 mL
Supplier:  VWR Chemicals
Description:   Stabilised with BHT (2,6-Di-tert-butyl-p-cresol, 2,6-Di-tert-butyl-4-methylphenol, Ionol) 20 ppm. A secondary GC solvent reference standard for variou...
UOM:  1 * 100 mL
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at eurega_services@eu.vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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