ASTM D3280 - 85(2020)

    Standard Test Methods for Analysis of White Zinc Pigments

    Active Standard ASTM D3280 | Developed by Subcommittee: D01.31

    Book of Standards Volume: 06.03

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    Significance and Use

    4.1 White zinc pigments find considerable use in white paints, and as such it is useful to formulators and users to be able to monitor the amounts of these pigments in whole paints. It is also of interest to raw material suppliers and paint producers to check the specifications of each pigment.

    1. Scope

    1.1 These test methods cover procedures for the analysis of white zinc pigments.

    1.2 The analytical procedures appear in the following order:



    Preparation of Sample


    Zinc Oxide

    Total Zinc, Using Diphenylamine as Internal Indicator


    Total Zinc, Using Uranyl Acetate as External Indicator


    Total Impurities


    Total Sulfur


    Moisture and Other Volatile Matter


    Leaded Zinc Oxide

    Total Lead


    Total Zinc


    Total Sulfur


    Total Impurities


    Moisture and Other Volatile Matter


    Water-Soluble Salts


    Zinc Sulfide

    Zinc Oxide


    Zinc Sulfide


    Water-Soluble Salts


    Moisture and Other Volatile Matter


    Barium Sulfate


    Titanium Dioxide


    1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

    1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

    1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

    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

    D280 Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments

    D1193 Specification for Reagent Water

    D1394 Test Methods for Chemical Analysis of White Titanium Pigments

    E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves

    ICS Code

    ICS Number Code 87.060.10 (Pigments and extenders)

    UNSPSC Code

    UNSPSC Code 31211503(Pigment paints); 12171602(Inorganic metal oxides)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D3280-85R20

    Citation Format

    ASTM D3280-85(2020), Standard Test Methods for Analysis of White Zinc Pigments, ASTM International, West Conshohocken, PA, 2020,

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