ISO 787-24:1982 General methods of test for pigments and extenders — Part 24: Determination of relative tinting strength of coloured pigments and relative scattering power of white pigments — Photometric method
1985ISO 787-24:1985 General methods of test for pigments and extenders; Part 24 : Determination of relative tinting strength of coloured pigments and relative scattering power of white pigments; Photometric methods
1982ISO 787-24:1982 General methods of test for pigments and extenders — Part 24: Determination of relative tinting strength of coloured pigments and relative scattering power of white pigments — Photometric method