title: [Dualwavelength in situ determination using zigzag scan (author's transl)].
mesh_terms: D000082:Acetaminophen / Q000032:analysis; D001241:Aspirin / Q000032:analysis; D002110:Caffeine / Q000032:analysis; D002855:Chromatography, Thin Layer / Q000379:methods*; D010615:Phenacetin / Q000032:analysis
chemical_list: D000082:Acetaminophen; D002110:Caffeine; D010615:Phenacetin; D001241:Aspirin
vernacular_title: Zweiwellenlängenmesstechnik im zigzag Scan