DIN 53770-6
DIN 53770-6 Pigments and extenders - Determination of matter soluble in hydrochloric acid - Part 6: Cadmium content
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/2007
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/2007