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.
Secondary reference material for redox titration, iron(II) ethylenediammonium sulphate, Certipur®, Supelco®
Supplier: Merck
Iron(II) ethylenediammonium sulfate CertiPUR®, secondary reference material for redox titration, Glass bottle
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VWR®, Redox (ORP) Standards
Supplier: VWR Chemicals
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.
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Standard redox solution, SensION+
Supplier: Hach
SensION+, standard redox solution, 220 mV
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Oxidation-reduction (ORP) standards solutions, ZoBell's
Supplier: Hach
ZoBell's standard solution
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ORP test solution
Supplier: Hach
ORP (Oxidation Reduction Potential) reference solution used for ORP sensor calibration.
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ORP test solution
Supplier: WTW
ORP test solution for electrolyte cleaning agents to test, service ORP electrodes easy conditioning and cleaning.
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Redox standards
Supplier: REAGECON
The potentials quoted are of platinum electrode with reference to Ag/AgCl (3 M KCl).
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ORP standards for Redox/ORP electrodes, Orion™
Supplier: Thermo Orion
Measure ORP simply and accurately with Thermo Scientific™ Orion™ ORP standards for Redox/ORP electrodes
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ORP electrode solutions
Supplier: SI ANALYTICS
ORP electrode solutions are used as cleaning solutions for combination electrodes and reference electrodes.