the mean percent recoveries ( p = 0.05 ) obtained with the proposed method for the sulfates of quinine and quinidine were 98.84 +/- 1.00 and 99.74 +/- 1.27 , respectively , compared with 100.73 +/- 1.44 and 100.82 +/- 1.16 , respectively , when the bp 1968 procedure was applied .
C0034422
sulfates
C0034414
quinidine