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Determination of Organophosphorous Pesticide Residues in Red Wine by Solid Phase Microextraction-Gas Chromatography
Author(s): 
Pages: 290-293
Year: Issue:  3
Journal: CHINESE JOURNAL OF CHROMATOGRAPHY

Keyword:  固相微萃取气相色谱有机磷农药残留量红葡萄酒;
Abstract: 采用溶胶-凝胶包埋技术制备了耐高温固相微萃取头(SPME),用该萃取头与气相色谱-热离子化检测器联用对红葡萄酒中的12种有机磷农药残留进行了测定.实验中对搅拌速度、萃取时间、盐浓度等条件进行了优化.结果表明,在样品用量25 mL,搅拌速度1250 r/min,盐浓度 150 g/L,萃取时间30 min的条件下,绝大多数组分峰面积的相对标准偏差(RSD)在5%以下,各种有机磷农药的检测限为5 ng/L到0.38 μg/L.
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