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介绍了 0 .2 8 %胺菊酯·高效氯氰菊酯气雾剂的气相色谱分析方法。选用 5 %SE - 30 ChromsorbWAW -DMCS(15 0～ 180um)色谱柱 ,以邻苯二甲酸二正辛酯为内标物进行定量分析测定 ,该方法简单、快速、准确、适用。结果表明胺菊酯和高效氯氰菊酯的标准偏差分别为 0 .2 4 %和 0 .11% ;变异系数分别为 0 .94 %和 1.74 % ;平均回收率分别为 99.6 4 %和 99.95 % ;线性回归系数分别为 0 .9999和 0 .9998。
The method of gas chromatographic analysis of 0.2 8% tetramethrin and beta-cypermethrin aerosol was introduced. A 5% SE - 30 ChromsorbWAW - DMC (150 ~ 180 um) column was used for quantitative analysis with dioctyl phthalate as the internal standard. The method was simple, rapid, accurate and suitable. The results showed that the standard deviations of tetramethrin and beta-cypermethrin were 0.24% and 0.11%, respectively. The coefficients of variation were 0.94% and 1.74% respectively. The average recoveries were 99.6% and 99.95% respectively. Linear regression The coefficients are 0 .9999 and 0 .9998 respectively.