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Determination of the Content of 4 Trace Elements in Gynositemma pentaphyllum Makino by Microwave Digestion-ICP-AES
Author(s): 
Pages: 41-43
Year: Issue:  4
Journal: GUANGDONG TRACE ELEMENTS SCIENCE

Keyword:  微波消解ICP-AES微量元素;
Abstract: 采用微波消解法,以HNO3-H2O2对样品进行处理,用电感耦合等离子体发射光谱法(ICP-AES)同时测定了绞股蓝中的铁、锰、铜、锌4种微量元素.结果表明,所测样品中的元素含量按铁、锰、锌、铜顺序递减,各元素测定结果的相对标准偏差在1.0%~3.8%之间,回收率在88%~97%之间.方法简单,有实用意义.
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