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测定四种B族维生素的流动注射-毛细管电泳联用新装置 被引量:3

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摘要 构建了一种可连续进样、分离测定药物制剂中4种B族维生素的流动注射(FI)-毛细管电泳(CE)新装置,并优化了FI-CE条件。背景电解质(BGE)为25%乙腈-40mmol/L硼砂(pH9.80),流速为0.83mL/min,运行电压为3.3kV(165V/cm),FI充样时间3s,注样时间9s。在优化条件下,维生素B1、PP、B2和B6的线性范围分别为10-900、65-900、8-180、55-900μg/mL,回归方程和相关系数r分别为Y=-30.869 8+3.4417X(r=0.9992)、Y=193.4692+2.3783X(r=0.9980)、Y=54.6000+13.3071X(r=0.9961)和Y=143.0739+2.570 5X(r=0.9977),检测限分别为5.17,7.48,1.34和6.92μg/mL。该方法已用于维生素B1、B2、B6和复合维生素B制剂中的B1、PP、B2和B6的测定,结果令人满意。
出处 《色谱》 CAS CSCD 北大核心 2007年第4期594-595,共2页 Chinese Journal of Chromatography
基金 国家自然科学基金资助项目(No.20275014) 教育部科学技术研究重点资助项目(No.204146) 福建省教育厅科学技术资助项目(No.JA05316)
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