ASTM D3720 - 90(2019)

    Standard Test Method for Ratio of Anatase to Rutile in Titanium Dioxide Pigments by X-Ray Diffraction

    Active Standard ASTM D3720 | Developed by Subcommittee: D01.31

    Book of Standards Volume: 06.03


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    Significance and Use

    4.1 This test method is used by titanium dioxide pigment manufacturers and users for process control and product acceptance.

    1. Scope

    1.1 This test method covers the determination of the ratio of anatase to rutile in titanium dioxide pigments. The method is also applicable to pigment mixtures and pigmented coatings containing titanium dioxide.

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

    1.3 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.

    1.4 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

    D215 Practice for the Chemical Analysis of White Linseed Oil Paints

    D2371 Test Method for Pigment Content of Solvent-Reducible Paints

    D2698 Test Method for Determination of the Pigment Content of Solvent-Reducible Paints by High-Speed Centrifuging

    D3925 Practice for Sampling Liquid Paints and Related Pigmented Coatings


    ICS Code

    ICS Number Code 87.060.10 (Pigments and extenders)

    UNSPSC Code

    UNSPSC Code 31211503(Pigment paints)


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

    DOI: 10.1520/D3720-90R19

    Citation Format

    ASTM D3720-90(2019), Standard Test Method for Ratio of Anatase to Rutile in Titanium Dioxide Pigments by X-Ray Diffraction, ASTM International, West Conshohocken, PA, 2019, www.astm.org

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