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lv meng zhong jian he jin zhong meng de ce ding
Pages: 53
Year: Issue:  6
Journal: Ordnance Material Science and Engineering

Keyword:  中间合金沉淀掩蔽法氟化铵碱性介质酸性介质溶液滴定稳定常数溶液酸度酸度条件水冷却;
Abstract: <正> 铝锰中间合金中锰的测定,我们采用氟化铵沉淀掩蔽法,我们认为这种方法优于三乙醇胺掩蔽法,三乙醇胺在碱性介质中虽能掩蔽50毫克Fe3+、75毫克Al3+,但也能掩蔽少量的Mn2+(2毫克)。 1.分析原理
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