BS EN ISO 787-16:1995(2000) General methods of test for pigments and extenders — Part 16 : Determination of relative tinting strength (or equivalent colouring value) and colours on reduction of coloured pigments — Visual comparison method
1995BS EN ISO 787-16:1995 General methods of test for pigments and extenders. Determination of relative tinting strength (or equivalent colouring value) and colour on reduction of coloured pigments. Visual comparison method
1988BS EN ISO 787-16:1988 General methods of test for pigments and extenders - Determination of relative tinting strength (or equivalent colouring value) and colour on reduction of coloured pigments - Visual comparison method