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| 引用本文： | 程雪梅,苏青云,胡炎明.??????-?????????????????????????????????[J].质谱学报,2009,30(2):74-77. |
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| 作者姓名： | 程雪梅 苏青云 胡炎明 |
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| 作者单位： | ??????????????????? ??? 523086 |
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| 摘 要： | ????????????ж?????????????????????????????????????????????????????????????ù?????ù??????ù?????????????????????????2%????????????????????????????????檲?????????????????????????????????????????????????????????????????????????4??????????????LOD???????ù??0.008mg?kg-1??????3?????????0.002mg?kg-1?????????LOQ???????ù??0.02mg?kg-1??????3?????????0.006mg?kg-1???????Χ?0.01??0.1mg?L-1????????????0.995????0.05??0.08??0.1mg?kg-1 3???????????????????????????50.2%??91.2%??RSD?4.0%??9.2%??????????????????????????????????????
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| 关 键 词： | ??????-???????? ????? ??????????? ???????? |
Determination of 4 Tetracyclines Residues in Seafoods by Liquid Chromatography-Mass Spectrometry |
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| CHENG Xue-mei,SU Qing-yun,HU Yan-ming.Determination of 4 Tetracyclines Residues in Seafoods by Liquid Chromatography-Mass Spectrometry[J].Journal of Chinese Mass Spectrometry Society,2009,30(2):74-77. |
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| Authors: | CHENG Xue-mei SU Qing-yun HU Yan-ming |
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| Affiliation: | Agricultural Test & Supervise Institution of Dongguan, Dongguan 523086, China |
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| Abstract: | Amethodforthedeterminationof4tetracyclines(tetracycline??oxytetracycline??doxycycline??chlortetracycline)residuesinseafoodwasdeveloped.Samplewasextractedwith2%perchloricacid,purifiedbyasolid-phaseextractionprocedure.ThenthereconstitutedsamplesolutionwasanalyzedbyUPLC-MS/MSinESIpositionmodeusingthemobilephasewithtrifluoroaceticacid??TFA??/waterandacetonitritrile.Thedetectionlimitsofchlortetracyclineis0.008mg?kg-1,theothersare0.002mg?kg-1.Thequantificationlimitofchlortetracyclineis0.02mg?kg-1,theothersare0.006mg?kg-1.Rangeofthecalibrationcurve4tetracyclineis0.01-0.1mg?L-1,andRSDismorethan0.995.Theaveragerecoveriesfromspikedsampleat3concentrationsof0.05??0.08??0.1mg?kg-1 rangefrom50.2%to91.2%??andRSDis4.0%-9.2%?? |
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| Keywords: | HPLC/MS-MS seafoods tetracyclines residues |
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