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Determination of Myclobutanil Residues in Glycine max by Gas Chromatography
Author(s): 
Pages: 48-50
Year: Issue:  3
Journal: SUBTROPICAL PLANT SCIENCE

Keyword:  腈菌唑残留毛豆气相色谱法;
Abstract: 采用气相色谱法定量分析毛豆上腈菌唑的微量残留量.样品经乙腈提取,液液分配,中性氧化铝柱层析净化后,以气相色谱电子俘获检测器法(GC-ECD)测定,DB-1701毛细管柱、氮气为载气,柱温150℃.20℃/min.260℃(10min),气化室温度240℃,检测器温度300℃,外标法定量.该方法快速、准确,在0.05~2.00mg/L范围内线性相关系数r2=0.9998,平均回收率91.1%~99.0%,变异系数1.22%~2.94%,最小检测量1.0×10-12g,最低检出浓度5.0×10-4mg/kg.
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