[On the official inspection of coal-tar dyes in 1969. II. Attempts to simplify the methods of the official inspection of coal-tar dyes].
D002712:Chlorides / Q000032:analysis; D003033:Coal Tar / Q000032:analysis*; D004396:Coloring Agents / Q000032:analysis*; D005503:Food Additives / Q000032:analysis*; D008670:Metals / Q000032:analysis; D008722:Methods; D013431:Sulfates / Q000032:analysis
D002712:Chlorides; D004396:Coloring Agents; D005503:Food Additives; D008670:Metals; D013431:Sulfates; D003033:Coal Tar