[The improvement of colorimetric determination of barbital in pharmaceutical preparation with cobalt acetate and isopropylamine].
D000085:Acetates; D000588:Amines; D001463:Barbiturates / Q000032:analysis*; D002626:Chemistry, Pharmaceutical; D003035:Cobalt; D003124:Colorimetry; D007202:Indicators and Reagents; D000432:Methanol; D008722:Methods; D004364:Pharmaceutical Preparations / Q000032:analysis*
D000085:Acetates; D000588:Amines; D001463:Barbiturates; D007202:Indicators and Reagents; D004364:Pharmaceutical Preparations; D003035:Cobalt; D000432:Methanol