Multiresidue analysis of avermectins in cattle liver by liquid chromatography/tandem mass spectrometry |
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Authors: | Hou Xiaolin Jiang Haiyang Ding Shuangyang Zhang Suxia Li Xiaowei Shen Jianzhong |
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Institution: | China Agricultural University, College of Veterinary Medicine, Department of Pharmacology and Toxicology, Beijing 100094, People's Republic of China. |
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Abstract: | A simple multiresidue analysis method was developed for the confirmation and quantification of eprinomectin, abamectin, doramectin, and ivermectin in cattle liver. The target analytes were extracted with acetonitrile and cleaned up with C18 and C8 solid-phase extraction cartridges before analysis by liquid chromatography combined with positive ion electrospray tandem mass spectrometry. The residue mean recoveries of the 4 drugs were 64.16-99.53%. The limit of detection was 2.5 ng/g for eprinomectin, abamectin, doramectin, and ivermectin. |
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