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本文讨论了离子交换-电位滴定法测定络合物电荷数的原理和方法,测定了钒与5-Br-PADAP络合物电荷数,得出其显色络合物的结构式。
In this paper, the principle and method of ion exchange-potentiometric titration for the determination of complex charge number are discussed. The charge number of vanadium and 5-Br-PADAP complex is measured to obtain the structural formula of its chromogenic complex.