氢化物-原子荧光光谱法测定高纯硼酸中痕量砷

URANIUM MINING AND METALLURGY(2005)

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Abstract
研究了氢化物-原子荧光光谱法测定高纯硼酸中痕量砷的方法.对仪器条件、样品介质酸度、还原剂浓度、预还原剂浓度、载流酸度等试验条件进行了优化.试验表明,砷的质量浓度在0~10 μg/L内,标准曲线线性良好,相关系数大于0.999 8,检出限为0.02 μg/L,样品加标回收率为98.5%~103%;测定相对标准偏差为1.6%~6.4%,1 000倍的铅、钙、镁、铁、钠、铝对砷的测定不干扰.本法操作简便、快捷、准确度高.
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Key words
Anodic Stripping Voltammetry,High-Performance Liquid Chromatography (HPLC),Green Analytical Chemistry,Detection
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