A. Blank chicken sample; B. spiked blank chicken sample; C. blank pork sample; D. spiked blank chicken sample; spiked levels: 1. sulfadiazine,10 μg.kg-1; 2. sulfamerazine, 10 μg.kg-1; 3. sulfametoxydiazine, 10 μg.kg-1; 4. sarafloxacin, 5 μg.kg-1
Figure 6: Chromatograms of blank meat sample and spiked meat sample.