
Study on the determination of ethoxy content in pharmaceutical grade ethyl cellulose with 1H NMR relative quantitative method
QIU Yu-han, ZHAO Da-chuan, QIU Hong-chun, HANG Tai-jun, GUO Xiao-di, TSAI Wen-jian
Chinese Journal of Pharmaceutical Analysis ›› 2021, Vol. 41 ›› Issue (12) : 2095-2101.
Study on the determination of ethoxy content in pharmaceutical grade ethyl cellulose with 1H NMR relative quantitative method
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