目的建立离子抑制色谱法测定琥乙红霉素原料的含量及有关物质的方法，并研究其影响因素。
Aim Method for the determination of erythromycin ethylsuccinate(EES) by ion suppression chromatography (ISC) was developed and the influenc factors on ISC were investigated.
目的测定氟吗西尼注射液含量及有关物质。
Objective To determine the content of flumazenil injection and relative substances.
该法简便、准确、专属性好，可以用于注射用头孢哌酮钠舒巴坦钠中头孢哌酮和舒巴坦的含量测定及有关物质检查。
The method was simple, accurate and suitable for the determination of cefoperazone and sulbactam and related substances in cefoperazone sodium and sulbactam sodium for injection.
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