HPLC法检测乙二胺四乙酸单酐含量

Journal of Naval University of Engineering(2021)

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Abstract
乙二胺四乙酸经分子内脱水可制得乙二胺四乙酸二酐(EDT AD),水解后得到乙二胺四乙酸单酐(EDTAA).为了快速准确检测EDTAA的含量,高效分离EDTAD和EDTAA,建立了HPLC测定方法.鉴于EDTAD和EDTAA均易水解,采用衍生前处理法对EDTAA进行HPLC分析,分别用苯甲醇和苯胺对EDTAA衍生后的产物进样测试.结果表明:两种方法均能对EDTAA衍生产物进行准确定量,高效分离出EDTAD和EDTAA.
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