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近来,《美国药典》已在考虑修改第621章“色谱”,在《美国药典》的第23版1768-1779页中出现了最新修改版。 在许多《美国药典》的专著论文中,经常采用液相色谱和气相色谱这两种分析方法。通常,这种专著也常利用保留时间来鉴别药品。《美国药典》认为色谱分析中的保留时间代表了某一化合物的特征,但并不唯一。一个供试品和一
Recently, the United States Pharmacopeia has been considering revising Chapter 621, “Chromatography,” with the most recent revision of the United States Pharmacopeia, 23rd edition, pages 1768-1779. In many monographs of the United States Pharmacopoeia, two analytical methods, liquid chromatography and gas chromatography, are often used. Often, this monograph often uses retention times to identify drugs. The United States Pharmacopoeia believes that chromatographic retention times represent the characteristics of a compound but are not unique. One for the test and one