scholarly journals Primary secondary amine as a sorbent material in dispersive solid-phase extraction clean-up for the determination of indicator polychlorinated biphenyls in environmental water samples by gas chromatography with electron capture detection

2017 ◽  
Vol 40 (16) ◽  
pp. 3279-3288 ◽  
Author(s):  
Yuanming Guo ◽  
Hongmei Hu ◽  
Tiejun Li ◽  
Lijian Xue ◽  
Xiaoning Zhang ◽  
...  
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