ASTM D 3720 - 90 (Reapproved 2005) Standard Test Method for Ratio of Anatase to Rutile in Titanium Dioxide Pigments by X-Ray Diffraction

American Society for Testing and Materials (ASTM). Current edition approved July 1, 2005. Published August 2005. Originally approved in 1978. Last previous edition approved in 1999 as D 3720 - 90 (1999). 3 p. 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.
The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.