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Direct Determination of Trace Elements in Water Samples by Graphite Furnace Atomic Absorption Spectrometry with Matrix Modifier
Author(s): 
Pages: 128-130
Year: Issue:  4
Journal: Environmental Science and Management

Keyword:  原子吸收法测定;
Abstract: 以磷酸二氢铵、磷酸、硝酸镍为基体改进剂,研究了石墨炉原子吸收光谱法测定环境水样中痕量铅的方法.重点讨论了铅的灰化温度、原子化温度以及基体改进剂的选用对铅测定结果的影响,以及基体改进剂用量的选择.在最佳测量条件下,铅的线性范围为0 μg/L~50 μg/L,检出限为0.018 3 μg/L,回收率为91%~102.12%.
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