摘要
建立高粱中多种农药残留的分析方法。利用快速溶剂萃取仪提取，凝胶渗透色谱净化，质谱联用仪测定。结果表明，样品添加回收率为74．6％～96．4％，RSD为1．02％～7．53％；相关系数为0．9921～0．9999。检出限为0．1～2．7μg／kg，定量限为0-3～8．1μg／kg。该方法具有自动化高、准确、灵敏的特点，适用于对酒用高粱中多种农药残留的检测分析。
The analytical method of multiple pesticide residues in sorghum for liquors use had been developed as follows： sample extracted by rapid solvent extractor, then purified by Gel permeation chromatography, and finallly determined by Mass spectrometer. The experimental results suggested that sample recovery rate was 74.6 %-96.4 %, RSD was 1.02 %-7.53 %, the correlation coefficient was 0.9921-0.9999, the detec- tion limit was 0.1 -2.7 μg/kg, and the limit of quantitation was 0.3 -8.1 μg/kg. Such method had the features of highly-automated, accurate and sensitive measurement and it was suitable for the detection of multiple pesticide residues in sorghum for liquors in practice.
出处
《酿酒科技》
北大核心
2013年第12期98-102,共5页
Liquor-Making Science & Technology
关键词
酒用高粱
食品安全
农药残留
质谱联用仪
sorghum for liquors
food safety
pesticide residues
mass spectrometer
