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xue xi pei wei di ding fa zhong liang ge wen ti qian jian
Pages: 77-81
Year: Issue:  3
Journal: Journal of Lingling Teachers College

Abstract: 利用公式logKMY=logKMY-PαY-PαM,计算出不同PH值或混有其他配位剂时,溶液中金属离子浓度的变化情况,然后以pM对EDTA标准溶液的毫升数作图,即可绘出不同情况下的滴定曲线.教材(1)以0.02000 mol·L-1EDTA标准溶液滴定20.00ml0.02000mol·L-1Zn2+溶液为例.滴定是在PH=9.0的NH3-NH4+缓冲溶液中进行,起初含有0.10mol·L-1游离氨和0.176mol·L-1NH4Cl.并以此为例来绘制滴定曲线的.
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