[1]朱靖蓉,安静,蒲敬伟,等.超高效液相色谱-串联质谱法测定猪肉中噁喹酸残留量的不确定度分析[J].江苏农业学报,2017,(05):1176-1181.[doi:doi:10.3969/j.issn.1000-4440.2017.05.033]
 ZHU Jing-rong,AN Jing,PU Jing-wei,et al.Uncertainty analysis of measurement of oxolinic acid in pork by ultra performance liquid chromatography-tandem mass spectrometry[J].,2017,(05):1176-1181.[doi:doi:10.3969/j.issn.1000-4440.2017.05.033]
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超高效液相色谱-串联质谱法测定猪肉中噁喹酸残留量的不确定度分析()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2017年05期
页码:
1176-1181
栏目:
加工贮藏·质量安全
出版日期:
2017-10-30

文章信息/Info

Title:
Uncertainty analysis of measurement of oxolinic acid in pork by ultra performance liquid chromatography-tandem mass spectrometry
作者:
朱靖蓉1安静1蒲敬伟2李霞1刘河疆1
(1.新疆农业科学院农业质量标准与检测技术研究所/农业部农产品质量安全风险评估实验室(乌鲁木齐),新疆乌鲁木齐830091;2.新疆生产建设兵团第十二师畜牧兽医工作站,新疆乌鲁木齐830000)
Author(s):
ZHU Jing-rong1AN Jing1PU Jing-wei2LI Xia1LIU He-jiang1
(Institute of Quality Standards & Testing Technology for Agro-Products, Xinjiang Academy of Agricultural Science, Laboratory of Quality and Safety Risk Assessment for Agro-Products (Urumqi), Ministry of Agriculture, Urumqi 830091, China; 2. Xinjiang Production and Construction Corps 12th Division Animal Husbandry and Veterinary Workstation, Urumqi 830000, China)
关键词:
液相色谱-串联质谱猪肉噁喹酸不确定度
Keywords:
UPLC-MS/MSporkoxolinic aciduncertainty
分类号:
O657.7+2
DOI:
doi:10.3969/j.issn.1000-4440.2017.05.033
文献标志码:
A
摘要:
对超高效液相色谱-串联质谱法测定猪肉中噁喹酸残留量的测量不确定度进行了分析。建立了测量过程中各个分量的数学模型,对测量过程中的不确定度来源进行逐项分析和合成,并估算了各不确定度分量对总不确定度的影响。结果表明:取包含因子k=2,置信概率为95%,待测猪肉样品中噁喹酸含量测量结果为 (4.61±0.977) μg/kg时扩展不确定度U=k×U(X)=0.977 μg/kg。影响噁喹酸含量测定不确定度有2个主要因素:一是来源于制作拟合噁喹酸标准曲线产生的不确定度,二是加标回收引起的不确定度。
Abstract:
An efficient ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method was established for the analysis of residues of oxolinic acid . The mathematical model of each component in the process of measurement was established, the sources of uncertainty were analyzed and synthesized item by item, and the effects of the uncertainty components on the total uncertainty were estimated. The results showed that the uncertainty of U=k×U(X) was 0.977 μg/kg, when the content of oxolinic acid was (4.61±0.977) μg/kg with a confidence probability of 95% and the coverage factor k=2. There are two main factors that affect the uncertainty of content determination of oxolinic acid: the uncertainty derived from the calibration of the standard curve of the oxolinic acid and the uncertainty caused by the sample recovery rate.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-07-19 基金项目:兵团农业科技攻关与成果转化项目(2015AC026) 作者简介:朱靖蓉(1972-),女,浙江龙游人,硕士,高级实验师,主要从事农产品质量安全及风险评估。(Tel)13139880438;(E-mail)1069470816@qq.com 通讯作者:刘河疆,(E-mail)12631499@qq.com
更新日期/Last Update: 2017-11-03