于盛茂, 赖新平, 张燕. 双波长吸收光谱系数倍率法测定复方苯巴比妥散的含量J. 药学学报, 1989, 24(3): 229-233.
引用本文: 于盛茂, 赖新平, 张燕. 双波长吸收光谱系数倍率法测定复方苯巴比妥散的含量J. 药学学报, 1989, 24(3): 229-233.
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SM Yu, XP Lai , Y Zhang, . SIMULTANEOUS DETERMINATION OF ASPIRIN AND PHENOBARBITAL IN INFANTILE CO-PHENOBARBITAL POWDER BY DUAL WAVELENGTH K-RATIO SPECTROPHOTOMETRYJ. Acta Pharmaceutica Sinica, 1989, 24(3): 229-233.
Citation: SM Yu, XP Lai , Y Zhang, . SIMULTANEOUS DETERMINATION OF ASPIRIN AND PHENOBARBITAL IN INFANTILE CO-PHENOBARBITAL POWDER BY DUAL WAVELENGTH K-RATIO SPECTROPHOTOMETRYJ. Acta Pharmaceutica Sinica, 1989, 24(3): 229-233.
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双波长吸收光谱系数倍率法测定复方苯巴比妥散的含量

SIMULTANEOUS DETERMINATION OF ASPIRIN AND PHENOBARBITAL IN INFANTILE CO-PHENOBARBITAL POWDER BY DUAL WAVELENGTH K-RATIO SPECTROPHOTOMETRY

    摘要
  • Abstract: Aspirin (Ⅰ) and phenobarbital (Ⅱ) in infantile co-phenobarbital powder were determined simultaneously using dual wavelength K-ratio spectrophotometry. Ⅰ and Ⅱ were analyzed with dual wavelength K-ratio spectrophotometry at 255, 244 and 236 nm. This method showed a mean recovery of 101.3% and a coefficient of variation of 1.6% for (Ⅰ). The mean recovery and CV of Ⅱ were 99.21% and 1.90% (n=6) respectively. The method is simple, rapid and accurate.

     

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