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ICP-OES测定醋酸酯淀粉中10种元素含量

Tong-hua CHEN,Lu MIAO,Hong-jian ZHOU,Jia-lin MO,Shan-lian HE,Lu-feng LIANG

wf（2016）

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Abstract
醋酸酯淀粉样品经微波消解后,采用电感耦合等离子体发射光谱( ICP-OES)法测定其中钾、钙、钠、镁、铜、铁、锌、锰、磷、镍等10种元素含量.方法线性范围宽,线性相关系数r大于0.9994,回收率为90.0%~106.7%, RSD小于3.9%.方法具有操作简单、快速、准确、可靠等优点,在醋酸酯淀粉分析中,取得了令人满意的结果.检测结果表明：醋酸酯淀粉中含有丰富的钙元素,磷、钾、钠元素含量较丰富,含有微量的镁、铜、铁、锰、镍等元素.
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Key words
starch acetate,ICP-OES,elements
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