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author:

兰元 (兰元.) [1]

Indexed by:

CQVIP

Abstract:

建立了气相色谱-电子捕获检测器(GC-μECD)同时测定茶叶中14种有机氯和8种拟除虫菊酯类农药残留.采用基质固相分散(Matrix Solid Phase Disperse,MSPD)技术对茶叶样品进行前处理,用气相色谱-电子捕获检测器快速定性定量分析.MSPD集提取、过滤、净化于一步完成,避免了样品均化、转溶、乳化、浓缩造成待测农药组分的损失,大大提高了方法的准确性和精密度.添加回收实验结果表明:22种农药的平均回收率为83.5%~112.6%,相对标准偏差为2.5%~10.6%,方法检出限为0.002~0.02mg/kg.该方法灵敏度、准确度和精密度均符合农药残留测定的要求.

Keyword:

农药残留 基质固相分散 气相色谱法 茶叶

Community:

  • [ 1 ] [兰元]福州大学

Reprint 's Address:

  • 兰元

Email:

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Source :

福建分析测试

ISSN: 1009-8143

CN: 35-1246/T

Year: 2013

Issue: 5

Volume: 22

Page: 1-9

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 5

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