title: [UV-spectrophotometry in drug control. 6. Effect of substitution and solvent on the UV-spectrophotometric behavior of substances with pyridine-chromophor].
mesh_terms: D000083:Acetanilides / Q000032:analysis; D000431:Ethanol; D006851:Hydrochloric Acid; D006878:Hydroxides; D007538:Isoniazid / Q000032:analysis; D000432:Methanol; D008797:Metyrapone / Q000032:analysis; D009536:Niacinamide / Q000032:analysis; D010615:Phenacetin / Q000032:analysis; D011188:Potassium; D011725:Pyridines / Q000032:analysis*; D011729:Pyridostigmine Bromide / Q000032:analysis; D012997:Solvents; D013053:Spectrophotometry; D014309:Tripelennamine / Q000032:analysis; D014311:Triprolidine / Q000032:analysis; D014466:Ultraviolet Rays; D014867:Water
chemical_list: D000083:Acetanilides; D006878:Hydroxides; D011725:Pyridines; D012997:Solvents; D014867:Water; D009536:Niacinamide; D014311:Triprolidine; D014309:Tripelennamine; D000431:Ethanol; D010615:Phenacetin; D011729:Pyridostigmine Bromide; D006851:Hydrochloric Acid; D011188:Potassium; D007538:Isoniazid; D000432:Methanol; D008797:Metyrapone
vernacular_title: UV-Spektrophotometrie in der Arzneimittelkontrolle. 6. Einfluss der Substitution und der Lösungsmittel auf das UV-spektrophotometrische Verhalten von Stoffen mit Pyridin-Chromophor.