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3352269 
Journal Article 
Determination of Phthalates in Milk by Ultrasound-Assisted Dispersive Liquid-Liquid Microextraction and Gas Chromatography-Mass Spectrometry 
Tuncel, SG; Senlik, D 
2016 
Yes 
Analytical Letters
ISSN: 0003-2719
EISSN: 1532-236X 
Taylor and Francis Inc. 
49 
9 
1334-1343 
English 
WOS:000375911400004 
Ultrasound-assisted dispersive liquid-liquid microextraction was coupled with gas chromatography-mass spectrometry for the determination of phthalate esters in milk. Dimethyl phthalate, diethyl phthalate, dibutyl phthalate, benzyl butyl phthalate, bis(2-ethylhexyl) phthalate, and dioctyl phthalate were analyzed in five brands of pasteurized Turkish milk. The efficiencies of the extraction procedure for the analytes were between 66 and 100%. The linear dynamic ranges of the calibration curves were from 0.025 to 1.000 mu g/mL with correlation coefficients exceeding 0.99. The precision of the method is acceptable with relative standard deviation values below 5%. Dibutyl phthalate and bis(2-ethylhexyl) phthalate were commonly observed in milk. 
Gas chromatography-mass spectrometry; milk; phthalates; ultrasound-assisted dispersive liquid-liquid microextraction 
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