N-Methylimidazolium ionic liquid-functionalized silica as a sorbent for selective solid-phase extraction of 12 sulfonylurea herbicides in environmental water and soil samples

2010 ◽  
Vol 1217 (10) ◽  
pp. 1567-1574 ◽  
Author(s):  
Guozhen Fang ◽  
Jing Chen ◽  
Junping Wang ◽  
Jinxing He ◽  
Shuo Wang
2015 ◽  
Vol 38 (10) ◽  
pp. 1733-1740 ◽  
Author(s):  
Liyuan Zhang ◽  
Bocheng Cao ◽  
Di Yao ◽  
Runzhong Yu ◽  
Changqing Yu ◽  
...  

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