Journal
FOOD CHEMISTRY
Volume 232, Issue -, Pages 198-202Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2017.04.021
Keywords
Dynamic liquid-liquid micro-extraction; Hollow fiber membrane; Ionic liquid; Milk; Tetracyclines
Funding
- National Natural Science Foundation of China [21207047]
- State Major Project for Science and Technology Development, China [2013YQ47078102-3]
- Science-Technology Development Project of Jilin Province of China [20130206014GX, 20140623007TC, 20150204017YY]
- Program for the State Key Laboratory of Inorganic Synthesis and Preparative Chemistry Open Project, Jilin University, China [2014-07]
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A novel hollow fiber membranes-based dynamic liquid-liquid micro-extraction (HF-DLLME) coupled with HPLC-UV detection has been developed for the residue analysis of tetracyclines in milk samples without deproteinization and degreasing. The influences of experimental parameters were investigated and optimized. The method showed a good performance. The limits of detection (LOD) are in the range of 0.95-3.6 mu g/L. The recoveries in spiked samples range from 92.38 to 107.3%. The relative standard deviations (RSDs) are lower than 8.66%. The advantages of this method are simple operation, high efficiency, absence of sample carryover and low cost. (C) 2017 Elsevier Ltd. All rights reserved.
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