同时测定复方双氯芬酸钠注射液中两组分的含量
双氯芬酸钠;,,双氯芬酸钠;盐酸利多卡因;HPLC,1仪器与试药,2色谱条件,3测定条件,4讨论
摘 要 目的:建立HPLC测定复方双氯芬酸钠注射液中两组分含量的方法。方法:以Kromasil ODS(250 mm×4.6 mm,5μm)为色谱柱,流动相为ψ(甲醇∶乙酸盐缓冲液,pH4.6)=70∶30,流速为1.0 mL/min,检测波长为245 nm,柱温为30 ℃,进样量为20μL,外标法定量。结果:双氯芬酸钠和盐酸利多卡因的线性范围分别为18.8~188.0μg/mL(r=0.9999)和5.3~53.0μg/mL(r=0.9999),平均回收率分别为100.3%(RSD=0.77%)和99.23%(RSD=0.59%)。结论:本方法结果准确,重现性好,简便快速,可作为该制剂的含量测定方法。关键词 双氯芬酸钠;盐酸利多卡因;HPLC
Simultaneous determination of two components in compound diclofenac sodium injection by HPLC
DIAO YuHui,PEI YunPing,ZHOU JianPing,Xie Jun
( 1. Drum Tower Hospital Affiliated to Nanjing University,Jiangsu, Nanjing 210008; 2. China University of Pharmaceutical Sciences, Jiangsu, Nanjing, 210009)
Abstract Objective:To establish a HPLC method for the simultaneous determination of diclofenac sodium and lidocaine hydrocride in injection. Methods:The analytical column is Kromasil ODS (250 mm×4.6 mm ......
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