Simultaneous derivatisation and preconcentration of parabens in food and other matrices by isobutyl chloroformate and dispersive liquid–liquid microextraction followed by gas chromatographic analysis

2013 ◽  
Vol 141 (1) ◽  
pp. 436-443 ◽  
Author(s):  
Rajeev Jain ◽  
Mohana Krishna Reddy Mudiam ◽  
Abhishek Chauhan ◽  
Ratnasekhar Ch ◽  
R.C. Murthy ◽  
...  
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