| 猪肉中氯霉素测量的国际比对CCQM-P122 |
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| 引用本文： | 张庆合,李秀琴,王娟,杨总,徐锐锋.猪肉中氯霉素测量的国际比对CCQM-P122[J].质谱学报,2010,31(Z1):100-101. |
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| 作者姓名： | 张庆合 李秀琴 王娟 杨总 徐锐锋 |
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| 作者单位： | 中国计量科学研究院，北京 100013 |
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| 摘 要： |
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International Comparison CCQM-P122: Determination of Chloramphenicol in Pork |
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| ZHANGQing-he,LIXiu-qin,WANGJuan,YANGZong,XURui-feng.International Comparison CCQM-P122: Determination of Chloramphenicol in Pork[J].Journal of Chinese Mass Spectrometry Society,2010,31(Z1):100-101. |
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| Authors: | ZHANGQing-he LIXiu-qin WANGJuan YANGZong XURui-feng |
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| Affiliation: | National Institute of Metrology, P. R. China, Beijing 100013, China |
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| Abstract: | A sensitive liquid chromatography tandem mass spectrometry method with isotopic label d5-chlormphenicol as internal standard was developed to determine trace amounts of chloramphenicol residue in pork. The pork powder were extract for 4 times by adding 10 mL 0.1 mol sodium acetate buffer solution (pH＝5) and 20 mL ethyl acetate. Oasis solid-phase extraction and liquid-liquid partitioning were used to clean the aqueous solutions. The limits of detection (LOD) is 0.004 ng·g－1, and the limits of quantification (LOQ) is 0.02 ng·g－1．The linear range is between 0.01 ng·g－1 and 0.5 ng·g－1．The average recoveries are in the range of 99％—109％ with the relative standard deviation less than 1.5％. |
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| Keywords: | chlormphenicol liquidchromatography tandemmassspectrometry pork |
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