恒电位氟-铝配位滴定法测定铝的研究

CHINESE JOURNAL OF ANALYSIS LABORATORY(2005)

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Abstract
以氟离子溶液作滴定剂,氟离子选择性电极作指示电极,对恒电位配位滴定法测定铝进行了研究,导出了该测定法的计算模型.测定结果的准确度受电位的控制误差对滴定剂体积误差的影响及滴定剂体积的相对误差两个因素影响.在滴定的中间位置,准确度比较高.随着滴定剂体积的增加,测定的灵敏度增加.方法可用于金属铝及锌-铝合金中铝的测定.
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Key words
aluminium determination,titration,aluminium-fluoride
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