偏硼酸锂熔融-ICP-AES法测定含刚玉铝土矿中主成分
Chinese Journal of Analysis Laboratory（2017）
Abstract
采用偏硼酸锂熔融合刚玉铝土矿,超声提取后,利用电感耦合等离子体发射光谱法(ICP-AES)同时测定了铝土矿中主成分Al2O3,CaO,Fe2O3,K2O,MgO,MnO,Na2O,P2 O5,SiO2和TiO2.方法检出限为0.001％ ～0.096％,精密度和准确度良好.铝土矿国家标准物质的测定值与标准值相符,实际样品的测定值与其他分析方法的测定值相吻合,适用于高铝及含少量刚玉的铝土矿样品分析.
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Key words
Inductively coupled plasma emission spectrometry,Lithium metaborate,Bauxite,Main component
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