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一种雷芬那辛原料中残留溶剂的检测方法
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CN121049410B
reduce pollution
Avoid direct injection
本发明属于雷芬那辛原料残留溶剂分析技术领域,具体涉及一种雷芬那辛原料中残留溶剂的检测方法,采用顶空气相色谱法,配制对照品溶液和供试品溶液,取对照品溶液和供试品溶液分别顶空进样,记录色谱图,残留溶剂为乙醇、乙腈、二氯甲烷、乙酸叔丁酯,本发明采用顶空气相色谱方法检测,可同时检测4中残留溶剂,避免直接进样,减少了高沸点溶剂对色谱系统的污染,同时使用N,N‑二甲基乙酰胺为溶剂,更安全。本方法总运行时间较常规方法短,更高效,适用于工业化高通量检测。
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CHONGQING CONQUER PHARML
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