ASTM D4654 - 87(2009)

    Standard Test Method for Sulfate Basicity in Leather

    Active Standard ASTM D4654 | Developed by Subcommittee: D31.06

    Book of Standards Volume: 15.04


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    Significance and Use

    This test method is used to determine the percent of total chromic oxide that is combined with hydroxyl and may serve as a measure of chrome fixation.

    1. Scope

    1.1 This test method is intended for use in calculating the sulfate basicity of mineral tanned leather.

    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

    D2807 Test Method for Chromic Oxide in Leather (Perchloric Acid Oxidation)

    D4655 Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)


    ICS Code

    ICS Number Code 59.140.30 (Leather and furs)

    UNSPSC Code

    UNSPSC Code 11162300(Leathers)


    DOI: 10.1520/D4654-87R09

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