title: [4. Degrees of purity and contamination in commercial dyes. Disturbing influence on histological and histochemical dye procedures].
mesh_terms: D000818:Animals; D001980:Bronchi / Q000166:cytology; D002356:Cartilage / Q000166:cytology; D002415:Cats; D002855:Chromatography, Thin Layer; D004396:Coloring Agents / Q000592:standards; D004340:Drug Contamination; D004345:Drug Industry; D004847:Epithelial Cells; D006651:Histocytochemistry; D006652:Histological Techniques; D066298:In Vitro Techniques; D013056:Spectrophotometry, Ultraviolet; D013194:Staining and Labeling
chemical_list: D004396:Coloring Agents
vernacular_title: 4. Reinheitsgrad und Verunreinigung von Handelsfarbstoffen. Störender Einfluss auf histologische und histochemische Färbeverfahren