ASTM D3720 - 90(2011)

    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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    ASTM D3720

    Significance and Use

    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 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

    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)


    DOI: 10.1520/D3720-90R11

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