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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:   Gd₂O₃ in HNO₃ 2 to 5%.
Supplier:  VWR Chemicals
Description:   Nd₂O₃ in HNO₃ 2 to 5%.
Supplier:  VWR Chemicals
Description:   ICP multi-element solution according to USP 232 dietary supplements.
UOM:  1 * 100 mL
Supplier:  VWR Chemicals
Description:   Silicium Standard, 1000 mg/L, VWR® AVS TITRINORM, Silicon, Matrix: H₂O, Application: AAS standards
Supplier:  VWR Chemicals
Description:   Arsenic Standard, 1000 mg/L, VWR®, Arsenic, Matrix: 2% HNO₃, Application: AAS standards
Supplier:  VWR Chemicals
Description:   Manganese Standard, 1000 mg/L, VWR®, Manganese, Matrix: 2% HNO₃, Application: AAS standards
Supplier:  VWR Chemicals
Description:   Zinc Standard, 1000 mg/L, VWR® AVS TITRINORM, Zinc, Matrix: 2% HNO₃, Application: AAS standards
Supplier:  AVANTOR PERFORMANCE MATERIALS
Description:   The standard is prepared by the careful dilution of the metal or its salt, usually 99,99% pure as verified by arc emission spectrometry
UOM:  1 * 150 mL
Supplier:  VWR Chemicals
Description:   Sulphur Standard, 1000 mg/L, VWR® AVS TITRINORM, Sulphur, Matrix: H₂O, Application: AAS standards
Supplier:  VWR Chemicals
Description:   Sulphite (HSO₃-) standard solution, 1000 mg/l, VWR®, Contents: NaHSO₃HCOH in H₂O, Application: Ion chromatography standards
Supplier:  VWR Chemicals
Description:   Nitrite standard solution, 1000 mg/l, VWR®, Contents: NaNO₂ in H₂O, Application: Ion chromatography standards
Supplier:  VWR Chemicals
Description:   Bromide standard solution, 1000 mg/l, VWR®, Contents: KBr in H₂O, Application: Ion chromatography standards
Supplier:  VWR Chemicals
Description:   Perchlorate 1,000 mg/l in water standard for ion chromatography, 1000 mg/l, VWR®, Contents: KClO₄ in H₂O, Application: Ion chromatography standards
UOM:  1 * 100 mL
Supplier:  VWR Chemicals
Description:   Cesium Standard, 1000 mg/L, VWR®, Cesium, Matrix: H₂O, Application: Ion chromatography standards
UOM:  1 * 100 mL
Supplier:  VWR Chemicals
Description:   Yttrium Standard, 10 ppm, VWR® ARISTAR®, Yttrium, Matrix: 2% HNO₃, Application: ICP-MS standards
Supplier:  VWR Chemicals
Description:   Lanthanum Standard, 10 mg/L, VWR® ARISTAR®, Lanthanum, Matrix: 2-5% HNO₃, Application: ICP-MS standards
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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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