You Searched For: Redox/ORP Standards

Since all analytical instruments require calibration, the redox and ORP standards were specifically designed to verify that reduction potential electrode sensors are functioning correctly. Once oxidizers and reducers are reset to match the known solution levels, personnel can effectively test chemicals for acquired or released electron affinity after a reaction. Commonly used in water quality testing, redox and ORP standards increase result reliability for proper treatment determinations in controlling disinfections.

Since all analytical instruments require calibration, the redox and ORP standards were specifically designed to verify that reduction potential electrode sensors are functioning correctly. Once oxidizers and reducers are reset to match the known solution levels, personnel can effectively test chemicals for acquired or released electron affinity after a reaction. Commonly used in water quality testing, redox and ORP standards increase result reliability for proper treatment determinations in controlling disinfections.


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Supplier: VWR Chemicals
Description: Avantor offers a wide range of REDOX (ORP) standards, which are produced from high quality reagents.These reference materials can be used as control standards to check the functionality of both the elextrodes and the measuring instruments. The values are temperature dependent, so it is important to control the environment of the measurement. A table of temperatue and corresponding Redox value is available on both the label and the batch specific certificate.
Supplier: Merck
Description: Iron(II) ethylenediammonium sulfate CertiPUR®, secondary reference material for redox titration, Glass bottle

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Supplier: Merck
Description: 124 mV (25°C), ±5 mV

Catalog Number: (HACHLZW9400.99)
Supplier: Hach
Description: SensION+, standard redox solution, 220 mV
UOM: 1 * 250 mL

Catalog Number: (HAMI238322)
Supplier: HAMILTON BONADUZ
Description: 475±5 mV ORP buffer
UOM: 1 * 250 mL

Catalog Number: (HACH2316949)
Supplier: Hach
Description: ZoBell's standard solution
UOM: 1 * 500 mL

Catalog Number: (HACH25M2A1001-115)
Supplier: Hach
Description: ORP (Oxidation Reduction Potential) reference solution used for ORP sensor calibration.
UOM: 1 * 500 mL

Catalog Number: (662-8251)
Supplier: WTW
Description: ORP test solution for electrolyte cleaning agents to test, service ORP electrodes easy conditioning and cleaning.
UOM: 1 * 250 mL

Supplier: Cole-Parmer
Description: 200 mV redox standard

Supplier: Thermo Orion
Description: Measure ORP simply and accurately with Thermo Scientific™ Orion™ ORP standards for Redox/ORP electrodes

Supplier: SI Analytics
Description: ORP electrode solutions are used as cleaning solutions for combination electrodes and reference electrodes.

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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 on +353 1 88 22222.
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 on +353 1 88 22222
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 organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service on +353 1 8822222.
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