ASTM G69-97(2003)

    Standard Test Method for Measurement of Corrosion Potentials of Aluminum Alloys

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    1. Scope

    1.1 This test method is a procedure for measurement of the corrosion potential (see Note 1) of an aluminum alloy in an aqueous solution of sodium chloride with enough hydrogen peroxide added to provide an ample supply of cathodic reactant.

    Note 1—The corrosion potential is sometimes referred to as the open-circuit solution or rest 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

    D1193 Specification for Reagent Water

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

    G3 Practice for Conventions Applicable to Electrochemical Measurements in Corrosion Testing


    ICS Code

    ICS Number Code 77.120.10 (Aluminium and aluminium alloys)

    UNSPSC Code

    UNSPSC Code 41114604(Corrosion testers)


    DOI: 10.1520/G0069-97R03

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