| GC-MS/MS测定乳粉中三聚氰胺测量不确定度的评定 |
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| 引用本文： | 鞠福龙,李东刚.GC-MS/MS测定乳粉中三聚氰胺测量不确定度的评定[J].生命科学仪器,2010,8(1):43-47. |
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| 作者姓名： | 鞠福龙 李东刚 |
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| 作者单位： | 黑龙江省质量监督检测研究院,哈尔滨,150050 |
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| 基金项目： | 黑龙江省科技厅攻关计划 |
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| 摘 要： | 利用气相色谱串联离子阱质谱仪的二级质谱技术测定了乳粉中三聚氰胺,并对三聚氰胺测量不确定度的来源进行了分析和量化评定。实验测得：当乳粉中三聚氰胺的含量为0.574mg/kg,扩展不确定度为0.087mg/kg（k=2）。同时,实验表明,影响三聚氰胺测量不确定度的主要来源有标准曲线拟合、重复性实验以及回收率实验引入的不确定度。
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| 关 键 词： | 气相色谱质谱联用 离子阱 测量不确定度 乳粉 三聚氰胺 |
Evalution of Uncertainty of Measurement for Melamine in Milk Poeder by GC-MS/MS |
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| Fu-long Ju,Dong-gang Li.Evalution of Uncertainty of Measurement for Melamine in Milk Poeder by GC-MS/MS[J].Life Science Instruments,2010,8(1):43-47. |
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| Authors: | Fu-long Ju Dong-gang Li |
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| Affiliation: | (The Academy of Quality Inspection and Research in Heilongjiang Province,harbin,150050) |
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| Abstract: | The content of melamine in milk powder was determined by gas chromatography tandem ion trap spectrometry method.The sources of uncertainty of measurement were analyzed.The test indicate：melamine in milk powder was 0.574mg/kg,the expended uncertainty was 0.088mg/kg（k=2）,and the uncertainty of measurement for analysis melamine mainly was contributed to fitting standard curve,determination of repeatability and test of recovery。 |
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| Keywords: | gas chromatography tandem spectrometer ion trap uncertainty of measurement milk powder melamine |
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