化学学报 ›› 2003, Vol. 61 ›› Issue (2): 303-306. 上一篇    

研究论文

高效液相色谱—化学发光法研究异烟肼和利福平

杨维平;张琰图;章竹君   

  1. 陕西师范大学化学与材料科学学院
  • 发布日期:2003-02-15

Determination of Isoniazid and Rifampin by High Performance Liquid hromatography with Chemiluminescent Detection

Yang Weiping;Zhang Yantu;Zhang Zhujun   

  1. College of Chemistry and Materials Science,Shaanxi Normal University
  • Published:2003-02-15

基于异烟肼和利福平在碱性介质中能与K3Fe(CN)6反应产生强的化学发光,因 此设计了一个经高效液相色谱(HPLC)分离柱后同时检测一线抗结构病药物异烟肼 、利福平的化学发光检测器。研究并优化了流动相、流速以及化学发光检测的条件 。该方法测定异烟肼、利福平的线性范围分别为0.05~6.0mg/L,0.08~20.0mg/L ,其检出限:异烟肼为2×10^-2mg/L,利福平为4×10^-2mg/L,测定的相对标准偏 差分别为1.9,2.9。该方法已成功地用于同时测定复方利福平片中利福平和异烟肼 的含量。

关键词: 异烟肼, 利福平, 高速液体色谱, 化学发光分析, 铁氰化钾, 抗结核药

A novel chemiluminescence reaction detector was developed for the simultaneous determination of isoniazid (INH) and rifampin (RFP), which are the two most active first-line drugs for treatment of tuberculosis, separated by HPLC based on the direct hexacyanoferrate ( HI ) chemiluminescence reaction by isoniazid and rifampin in sodium hydroxide medium. The separation was carried out on Kromasil RP-C- 18column (150 mmx 4.6 mm i.d., 5 jum) at 35 °C . The mobile phase consisted of a F(methanol) V(water) = 60-40 solution. At a flow-rate of 0.8 mL/min, the total run time was ~ 6 min. Parameters affecting CL detection, such as CL reaction reagent [K3Fe(CN)

Key words: Isoniazid, Rifampin, HPLC, CHEMILUMINESCENCE ANALYSIS, POTASSIUM FERRICYANIDE, ANTITUBERCULAR AGENTS

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