Simultaneous determination of seven preservatives in food by dispersive liquid-liquid microextraction coupled with gas chromatography-mass spectrometry

2018 ◽  
Vol 269 ◽  
pp. 187-192 ◽  
Author(s):  
Mingzhen Ding ◽  
Weixi Liu ◽  
Jing Peng ◽  
Xiuhong Liu ◽  
Yu Tang
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