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  5. Indirect determination of cefradine with n-propyl alcohol-ammonium sulfate-water system by extractio

Indirect determination of cefradine with n-propyl alcohol-ammonium sulfate-water system by extractio

来源 :中国化学快报（英文版） | 被引量 : 0次 | 上传用户：chenyinan
【摘 要】
：
A new method was developed for the determination of cefradine by extraction-flotation of CuSCN. The experiment indicatedthat in the presence of 0.20 mol/L NaOH
【作 者】
：
Ling Li Wu Wei Zhao Quan Min L 
【机 构】
：
College of Chemistry and Environmental Science,Henan Radio and Television University
【出 处】
：
中国化学快报（英文版）
【发表日期】
：
2004年期
【关键词】
：
Cefradine Copper(Ⅱ) n-Propyl alcohol Extraction-flotation. 
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A new method was developed for the determination of cefradine by extraction-flotation of CuSCN. The experiment indicatedthat in the presence of 0.20 mol/L NaOH the degradation of cefradine took place in water bath at 100℃. The thiol group (-SH) ofthe degradation product could reduce Cu(Ⅱ) to Cu(Ⅰ) for the formation of the emulsion CuSCN in the presence of NH
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