ASTM D1498-00

    Standard Practice for Oxidation-Reduction Potential of Water


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    1. Scope

    1.1 This practice covers the apparatus and procedure for the electrometric measurement of oxidation-reduction potential (ORP) in water. It does not deal with the manner in which the solutions are prepared, the theoretical interpretation of the oxidation-reduction potential, or the establishment of a standard oxidation-reduction potential for any given system. The practice described has been designed for the routine and process measurement of oxidation-reduction potential.

    1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D1129 Terminology Relating to Water

    D1193 Specification for Reagent Water

    D2777 Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water

    D3370 Practices for Sampling Water from Closed Conduits


    ICS Code

    ICS Number Code 13.060.60 (Examination of water for physical properties)

    UNSPSC Code

    UNSPSC Code


    Referencing This Standard
    Link Here
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    DOI: 10.1520/D1498-00

    Citation Format

    ASTM D1498-00, Standard Practice for Oxidation-Reduction Potential of Water, ASTM International, West Conshohocken, PA, 2000, www.astm.org

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