采用离子对技术从血浆中快速提取百草枯。
The rapid extraction of paraquat from plasma using an ion-pairing technique.
作者信息
Jarvie D R, Stewart M J
出版信息
Clin Chim Acta. 1979 Jun 15;94(3):241-51. doi: 10.1016/0009-8981(79)90071-8.
PMID:466811
Abstract
A method for the quantitative extraction of paraquat from plasma is described. The method relies on the use of an organic-soluble ion pair of paraquat with dodecyl sulphate. The use of the extraction procedure in conjunction with the dithionite colour reaction gives a method which is suitable for emergency estimations with a sensitivity limit of 50 micrograms/l. The extraction procedure alone offers a new first step in the clean up of paraquat for analysis by other methods.
摘要
本文描述了一种从血浆中定量提取百草枯的方法。该方法依赖于使用百草枯与十二烷基硫酸盐形成的有机可溶性离子对。将该提取程序与连二亚硫酸盐显色反应结合使用，可得到一种适用于紧急检测的方法，其灵敏度极限为50微克/升。仅提取程序就为用其他方法分析百草枯的净化提供了新的第一步。
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