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Author:

林海禄 (林海禄.) | 彭雪娇 (彭雪娇.) | 闫红 (闫红.) (Scholars:闫红)

Indexed by:

CQVIP PKU CSCD

Abstract:

经粉碎后的水果样品用甲醇-水(10+90)超声提取,取上清液进行离子液体-液相微萃取(IL-LPME)处理,对样品中3种有机磷农药(OPP′s)马拉硫磷、毒死蜱及对硫磷进行富集分离。采用1-丁基-3-甲基咪唑六氟硼酸盐离子液体作为萃取溶剂,与不经LPME富集分离直接进样分析相比较,经LPME操作后,上述3种OPP′s的富集倍数分别为132,119,147倍。气相色谱测定时采用HP-5毛细管色谱柱火焰光度检测器。3种农药的线性范围均在1.00~20.0mg.L-1之间,检出限(3S/N)依次为0.4,0.1,0.2mg.L-1。用几种水果样品作为基体,加标回收率在96.5%~104.3%之间,相对标准偏差(n=5)均小于6%。

Keyword:

离子液体 气相色谱 有机磷农药 液相微萃取 水果

Author Community:

  • [ 1 ] [林海禄]北京工业大学
  • [ 2 ] [彭雪娇]东华理工学院
  • [ 3 ] [闫红]北京工业大学

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Source :

理化检验:化学分册

ISSN: 1001-4020

Year: 2011

Issue: 12

Volume: 47

Page: 1440-1442

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 12

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