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向上的汪

金虫 (正式写手)

[求助] 胰岛素的HPLC含量测定

大家好,制备的胰岛素纳米粒,利用间接法超高速离心后,取上清进HPLC测包封率,测定方法按2015年版药典,但可能因材料溶于有机试剂甲酰胺,甲酰胺没除干净(难以旋蒸除去,用的透析,试过用其他有机试剂替换,但甲酰胺制备的制剂较好),进样后基线不稳或者峰过宽(比如4min-10min),对称因子差,无法精确定量。不知大家有无建议可以解决?谢谢~
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bigboy1973

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I\will be back!!!
2楼2019-10-17 19:13:45
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