气相色谱法检验莠去津和乙草胺除草剂

Analysis of atrazine and acetochlor herbicide by gas chromatography

目的 研究混合除草剂的测定方法。方法 利用气相色谱法研究了莠去津和乙草胺除草剂组成的悬乳剂中各组成成分及其含量。结果 本方法的线性相关系数为 0 9991和 0 9999,平均回收率为 99 9%和99 1% ,标准偏差为 0 0 2 2和 0 0 2 4 ,变异系数为 0 2 4 %和 0 10 %。结论 该方法鉴别由混合除草剂引起的中毒案件方便准确。

ObjectiveTo analysis the mixed-herbicides. MethodsThe mixture of triazine herbicides and acylamide herbicides wase analyzed by gas chromatography and the quantities of acetochlor and atrazine was determined. ResultThe linear interrelated ratios of afrazine and acetochlor are 0.9991 and 0.9999; the average recovery rate are 99.9% and 99.1%; the normal deviations are 0.022 and 0.024; the variation ratios are 0.24% and 0.10%. ConclusionThe results show that this method is a effective method to analyse the mixed-herbicides.