Cai Yin-ping
2013
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Journal
Shandong Chemical Industry
Abstract
A HPLC-MS method was developed for characterizing isotope abundance and chemical purity of methacetin(methoxy-13C) simultaneously.The common method for 13C isotope abundance characterization is gas isotopic mass spectrometry.However,this method has the deficiency which is not available for partly 13C-labeled compounds.In this research,"mass cluster" classification was brought up for the first time,and successfully solved the problem of methacetin(methoxy-13C) isotope abundance characterization with HPLC-MS techniques.