Fractional factorial design based microwave-assisted extraction for the determination of organophosphorus and organochlorine residues in tobacco by using gas chromatography-mass spectrometry

2016 ◽  
Vol 40 (2) ◽  
pp. 542-549 ◽  
Author(s):  
Ling Hao ◽  
Haifang Li ◽  
Jin-Ming Lin
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