三波长分光光度法测定常药降压片中氢氯噻嗪的含量
THREE WAVELENGTH SPECTROPHOTOMETRIC DETERMINATION OF DIHYDROCHLOROTHIAZIDE IN HYPOTENSIVE TABLETS
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摘要: 本文介绍了三波长分光光度法的基本原理和实验方法,以及应用该法在751G 型分光光度计上测定常药降压片中氢氯噻嗪含量的结果。其平均回收率为99.79±0.64%(95%置信率)。Abstract: This paper provides a basic principle and experimental technique of three wavelength spectrophotometry.It also deals with the determination of dihydrochlorothiazide in hypotensive tablets.The mean recovery of dihydrochlorothiazide was found to be 99.79±0.64%(95% confidence level).