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四环素类药物的流动注射分析研究
引用本文:刘万忠,姜红,杜爱珍. 四环素类药物的流动注射分析研究[J]. 药学学报, 1991, 26(5): 391-394
作者姓名:刘万忠  姜红  杜爱珍
作者单位:湖北省药品检验所,湖北省药品检验所,湖北省药品检验所 武汉 430064,武汉 430064,武汉 430064
摘    要:四环素类(主要包括四环素、金霉素、土霉素、强力霉素及甲烯土霉素等)是一类应用较广的抗生素药物。其含量测定,国内外药典均采用微生物法。该方法虽能反映其生物效价,但也存在一些问题,如分析周期较长,方法的准确度不高,且在测定条件下(pH6.6,

关 键 词:四环素类  流动注射分析  流通型传感器
收稿时间:1990-01-24

DETERMINATION OF TETRACYCLINES BY FLOW INJECTION ANALYSIS
WZ Liu,H Jiang and AZ Du. DETERMINATION OF TETRACYCLINES BY FLOW INJECTION ANALYSIS[J]. Acta pharmaceutica Sinica, 1991, 26(5): 391-394
Authors:WZ Liu  H Jiang  AZ Du
Affiliation:Hubei Provincial Institute for Drug Control, Wuhan.
Abstract:An accurate, convenient and fast method was proposed for the determination of tetracyclines (tetracycline, chlortetracycline, oxytetracycline, doxycycline and methacycline) and their preparations by flow injection detector based on tetracycline flow-through sensor. The parameters affecting the measurement were discussed. The detector can respond to tetracycline, chlortetracycline, oxytetracycline, doxycycline and methacycline, at the same time. Their slopes are 51-55 mV/decade over the concentration range of 10(-2)-5 x 10(-5) mol/L at pH 1.5-3.5. The results obtained are in good agreement with those by biological assay (less than 3% deviation). One hundred samples can be determined in an hour.
Keywords:Tetracyclines  Flow injection analysis  Flow-through sensor  
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