Selenium is an essential element for a human body, but the excessive consumption may cause health problems. Therefore, the drinking water quality standards and the environmental quality standards for soil specify that the standard concentration to be 10 μg/L. ZA3000 series instruments employ the polarized Zeeman method for BKG corrections even for the hydride generation method, and can analyze selenium with accurate BKG corrections and a stable baseline. The result of the 
addition recovery test performed by hydride generation-atomic absorption spectrometry indicated that selenium in environmental waters can be analyzed accurately.

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分析河流中的硒（Se）元素（氫化物發(fā)生法）.pdf