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The Analysis about the Effecting Factors of Determining Heavy Metal with Atom Absorption Spectrum
Author(s): 
Pages: 177-179
Year: Issue:  3
Journal: ENVIRONMENTAL SCIENCE AND MANAGEMENT

Keyword:  原子吸收影响因素准确性;
Abstract: 原子吸收光谱分析通常用来测定微量元素,目前常采用石墨炉原子吸收法测定试液中ppb级或更低的痕量和超痕量元素,因此对实验过程中的污染防治就显得尤为重要.文章阐述了在原子吸收光谱测定微量元素的过程中,实验环境、水和试剂的纯度、器皿清洁度、气体(包括燃气、助燃气和惰性保护气体)的纯度以及原子化器等诸多因素均会对测定结果的准确性产生影响.对以上影响因素逐一分析并提出改进建议,以减少分析误差提高测试准确性.
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