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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:   A complete range of certified control standards with values ranging from 1,3 to 500000 Âµs to meet all the requirements for electrochemical analys...
Supplier:  VWR Chemicals
Description:   The VWR® range of secondary reference standards offers extraordinary purity and homogeneity, and are perfectly suited for the verification factors for...
Supplier:  VWR Chemicals
Description:   Complete range of reagents and standard solutions in Chapters 2 and 4 of the current European Pharmacopoeia.
All are manufactured and tested in c...
Supplier:  VWR Chemicals
Description:   These standards can be used for calibration, control, verification, qualification or method validation of kinematic and dynamic viscosity measurement ...
Supplier:  VWR Chemicals
Description:   Designed for analysis of water and ground samples, according to the ISO 9377-2 norm.
Supplier:  VWR Chemicals
Description:   Standard for spectrophotometer calibration, Holmium perchlorate standard solution, Reag. Ph. Eur, VWR®, Pk Info: 3× 10 ml
Supplier:  VWR Chemicals
Description:   CRM's - secondary reference materials intended for standardisation of volumetric solutions in accordance with the Pharmacopoeia (Ph. Eur. and USP). Th...
Supplier:  VWR Chemicals
Description:   KCl 0,1 mol/L, VWR®, 12,88 mS/cm, Reference temperature: 25 °C
Supplier:  VWR Chemicals
Description:   These products can be used as calibration standards for density measurements by pycnometric, vibrational or hydrometer-based techniques.
Supplier:  VWR Chemicals
Description:   Convenient sachets for the calibration of the conductimeters.
Supplier:  VWR Chemicals
Description:   Standards designed for the analysis of water and ground samples.
Supplier:  VWR Chemicals
Description:   Mixture of C10 (20 μL/L) and C40 (20 mg/L)
Solvent : Hexane - petroleum ether (1:1)
Supplier:  VWR Chemicals
Description:   Stearyl stearate 2,000 µg/ml in hexane
Supplier:  VWR Chemicals
Description:   Standard mixture of 4 n-alkanes (C10+C20+C30+C40), 100 each, in (1:1) : Hexane Petroleum ether, per 1 x 4,5 mL, CERTAN® bottles 1 * 1 KIT
Supplier:  VWR Chemicals
Description:   Mixture of C10 (20 μL/L) and C40 (20 mg/L)
Solvent: Hexane - petroleum ether (1:1)
Supplier:  VWR Chemicals
Description:   These standards are certified in strict accordance with ASTM D2162 at 40 and 100 °C under ISO 17025 and ISO 17034 accreditation, and have been manufac...
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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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