[Effect of medium pH and nature of organic solvent on the extraction of theophylline from aqueous solvents].
D001554:Benzene / Q000494:pharmacology; D002725:Chloroform / Q000494:pharmacology; D003124:Colorimetry; D004987:Ethers / Q000494:pharmacology; D005740:Gases / Q000494:pharmacology; D006863:Hydrogen-Ion Concentration; D008722:Methods; D012997:Solvents / Q000494:pharmacology*; D013806:Theophylline / Q000032:analysis*
D004987:Ethers; D005740:Gases; D012997:Solvents; D002725:Chloroform; D013806:Theophylline; D001554:Benzene
Vliianie pH sredy i prirody organicheskogo rastvoritelia na ékstraktsiiu teofillina iz vodnykh rastvorov.