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微波消解-原子吸收法测定液态奶中微量元素的含量

EVALUATION OF MICROWAVE DIGESTION PROCEDURE FOR TRACE ELEMENTS IN LIQUID MILK EMPLOYING FLAME ATOMIC ABSORPTION SPECTROMETRY

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【Author】 SUN Chang-xia1,HUANG Guang-yuan2,ZHANG Bo-lin3(1.Laboratory of Agricultural Analysis,Tianjin Agricultural University,Tianjin 300384,China;2.College of Horticulture and Garden,Yangtze University,Jingzhou 434025,Hubei,China;3.School of Biological Science & Technology,Beijing Forestry University,Beijing 100083,China)

【机构】天津农学院农业分析实验室；湖北长江大学园林园艺学院；北京林业大学生物学院；

【摘要】采用微波消解法处理样品,用空气-乙炔火焰原子吸收光谱法检测液态奶中的钙、镁、铁、锌、铜和锰等元素含量。结果表明,该法具有很好的准确度和精密度,加标回收率在93.75%～103.33%之间,RSD<3.0%。更多还原

【Abstract】 The levels of trace elements in different brands of liquid milk consumed in Tianjin were determined by flame atomic absorption spectrometry.Liquid milk samples were digested with microwave digestion procedure.The results showed that microwave digestion procedure was good for liquid milk samples because it made recovery ranging from 93.75 %-103.33 %.Relative standard deviations(RSD)were found below 3.0 %.更多还原

【关键词】微波消解；原子吸收法；液态奶；微量元素；
【Key words】 microwave digest； FAAS； liquid milk； trace element；

【文献出处】食品研究与开发 ,Food Research and Development , 编辑部邮箱 ,2009年11期

【分类号】O657.31;TS252.7
【被引频次】4
【下载频次】217

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