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UPLC/MS/MS法测定番茄中盐酸吗啉胍残留量
邵辉,张玉婷,李辉,刘磊,李娜,宋淑荣,郭永泽
0
(天津市农业科学院中心实验室,天津 300381)
摘要:
采用三氯乙酸提取,HLB固相萃取柱净化,建立了番茄中盐酸吗啉胍残留量的UPLC/MS/MS测定方法。添加盐酸吗啉胍质量分数为0.005、0.05 mg·kg-1,平均回收率分别为77.7%和86.7%,相对标准偏差分别为8.1%和6.3%,定量限为0.005 mg·kg-1
关键词:  UPLC/MS/MS  番茄  盐酸吗啉胍
DOI:CNKI:34-1162/S.20111025.1029.022
投稿时间:2011-04-11
基金项目:陕西科技大学研究生创新基金资助。
Determination of moroxydine hydrochloride in tomato by UPLC/MS/MS
SHAO Hui,ZHANG Yu-ting,LI Hui,LIU Lei,LI Na,SONG Shu-rong,GUO Yong-ze
(Center Lab, Tianjin Academe of Agricultural Science, Tianjin 300381)
Abstract:
An accurate UPLC/MS/MS method for the determination of moroxydine hydrochloride in tomato has been developed by extracting tomato sample with trichloroacetic acid, and then purifying with HLB solid-phase extraction column. Precision and accuracy were assessed by adding moroxydine hydrochloride into tomato at two concentration levels (0.005 and 0.05 mg·kg-1) using five replicates at each level. The average recoveries of moroxydine hydrochloride were between 77.7% and 86.7% with the RSD between 8.1% and 6.3%, and the limit of detection was 0.005 mg·kg-1.
Key words:  determination  moroxydine hydrochloride  tomato  UPLC/MS/MS

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