目的研究AFS-230双道原子荧光光度计同时测定饮用水中的砷和硒的方法，为检测水样中的砷和硒提供依据。
Objective To simultaneously determine arsenic and selenium in drinking water by AFS-230 atomic fluorescence spectometer so as to explore a simple method.
全面分析原子荧光光谱法测定水和废水中砷和硒的影响因素，评估了各因素的不确定度以及原子荧光法测定水和废水中砷和硒的测量结果不确定度。
The all factors influencing measurement uncertainty of Arsenic and Selenium in water by AFS were analyzed and evaluated as well as the uncertainty of measurement results.
例如，人们以前认为铟的原子质量介于砷和硒之间。
Indium, for example, had previously been assigned an atomic mass between those of arsenic and selenium.
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