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咪鲜胺·抑霉唑混配制剂的反相离子对液相色谱分析
引用本文:姜军侠,雷琪,刘伟,宋喜峰,刘琪.咪鲜胺·抑霉唑混配制剂的反相离子对液相色谱分析[J].农药科学与管理,2005,26(2):8-11.
作者姓名:姜军侠  雷琪  刘伟  宋喜峰  刘琪
作者单位:1. 陕西省农药管理检定所,陕西,西安,710003
2. 西北大学化学系,陕西,西安,710003
摘    要:本文采用反相离子对色谱梯度洗脱外标法对咪鲜胺.抑霉唑乳油的2种有效成分进行一次性定量检测,采用C18色谱柱,以0.012mol/L庚烷磺酸钠(pH=2.5) 甲醇=30 70;20 80为流动相,流速1.5mL/min,二极管阵列检测器,检测波长:220nm。该方法中咪鲜胺和抑霉唑的标准偏差分别为0.065和0.024,变异系数分别为0.53%和1.13%.线性相关系数分别为0.9994和0.9995,平均回收率分别为99.4%、100.1%。

关 键 词:咪鲜胺  抑霉唑  反相离子对液相色谱
文章编号:1002-5480(2005)02-0008-04
修稿时间:2004年11月8日

Quantitative Analysis of Mixture of Prochloraz and Imazalil by Reversed Phase Ion Pair High Performance Liquid Chromatography
Jiang Junxia,Lei Qi,Liu Wei,Song Xifeng.Quantitative Analysis of Mixture of Prochloraz and Imazalil by Reversed Phase Ion Pair High Performance Liquid Chromatography[J].Pesticide Science and Administration,2005,26(2):8-11.
Authors:Jiang Junxia  Lei Qi  Liu Wei  Song Xifeng
Abstract:A reversed phase ion pair high performance liquid chromatography(RP-HPLC)methed with gradient elution and external standard was proposed for the simultaneous determination of prochloraz and imazalil in the mixture.A C18 column and a binary mobile phase of methanol and heptane sulfonic acid sodium were used with flow rate of 1.5mL/min.A photo diode array detector was used with 220nm.The results showed that the standard deviations were 0.024 and 0.065;the coefficient of variation were 1.13% and 0.53%;the linear correlations were 0.999 4 and 0.999 5;the average recoveries were 99.4% and 100.1% repectively.
Keywords:prochloraz  imazalil  RP-HPLC  
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