分散固相萃取GC-MS法快速测定葡萄酒和葡萄中22种农药残留

被引：13

作者：

陈楠楠 ^{[1
]}

高红波 ^{[2
]}

钟其顶 ^{[2
]}

熊正河 ^{[2
]}

谷学新 ^{[1
]}

叶能胜 ^{[1
]}

机构：

[1] 首都师范大学化学系

[2] 中国食品发酵工业研究院

来源：

酿酒科技 | 2012年 / 07期

关键词：

分散固相萃取; 葡萄; 葡萄酒; 农药残留; 快速检测;

D O I：

暂无

中图分类号：

TS261.7 [产品标准与检验]; O657.63 [质谱分析]; TS255.7 [果蔬加工品标准与检验];

学科分类号：

070302 [分析化学]; 083203 [农产品加工及贮藏工程]; 100403 [营养与食品卫生学];

摘要：

建立了以磷酸三苯酯(TPP)为内标快速测定葡萄和葡萄酒中22种农药残留的方法。采用乙腈萃取,PSA/GCB/ODS作为吸附剂的分散固相萃取法(d-SPE)进行前处理,与传统前处理方法相比,d-SPE在耗时和成本上具有很明显的优势。对比了基质匹配标准溶液和分析保护剂2种方法对基质效应的消除效果,前者效果更为突出;经GC-MS定性和定量分析,22种农药在0.05～0.3 mg/L范围内线性良好,大多数农药3个水平的回收率在70%～130%之间,精密度和重复性(n=5)均小于10%,定量限(LOQ)为0.02～0.1 mg/L。结果表明,该方法适合于葡萄和葡萄酒中农药残留的检测。

引用

页码：119 / 123

页数：5

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