Journal
FOOD CHEMISTRY
Volume 142, Issue -, Pages 358-364Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2013.07.062
Keywords
Triazines; HPLC-UV; Cloud point extraction; Milk
Funding
- the application research on detection of hazardous materials in milk and dairy products by cloud point extraction technology
- project of Yantai municipal science and technology development [2011052]
- [2012BAK17B 05]
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High-performance liquid chromatography with UV detection was used to detect four triazines in milk. An efficient pretreatment method known as cloud point extraction (CPE) was proposed for extracting and preconcentrating analytes. The parameters of CPE including surfactant type and concentration, electrolyte, sample pH, incubation temperature and duration were investigated. Under optimal conditions, satisfying recoveries in the range of 70.5-96.9% were achieved for four triazines. The limits of detection ranged from 6.79 to 11.19 mu g L-1. The linear range of quantitation for the four triazines was 50-2000 mu g L-1, and the correlation coefficients of the calibration curves were all 0.9999. The results demonstrated that the proposed method was efficient and reliable for the determination of triazine herbicides in milk samples. (C) 2013 Elsevier Ltd. All rights reserved.
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