Please use this identifier to cite or link to this item: http://earchive.tpu.ru/handle/11683/56961
Title: Differential potentiometric precipitation titration of zinc(II) and copper(II) using carbon composite electrode
Authors: Poluboyarinova, J. A.
Shumar, S. V.
Keywords: титрование; осаждение; цинк; медь; композитные электроды; бинарные смеси; линеаризация
Issue Date: 2019
Publisher: IOP Publishing
Citation: Poluboyarinova J. A. Differential potentiometric precipitation titration of zinc(II) and copper(II) using carbon composite electrode / J. A. Poluboyarinova, S. V. Shumar // IOP Conference Series: Materials Science and Engineering. — Bristol : IOP Publishing, 2019. — Vol. 597 : Prospects of Fundamental Sciences Development (PFSD-2019) : XVI International Conference of Students and Young Scientists, 23–26 April 2019, Tomsk, Russia : [proceedings]. — [012023, 6 p.].
Abstract: The article presents the results of investigation of potentiometric titration of the working solution containing Zn(II) and Cu(II) by sodium diethyldithiocarbamate (NaDEDC) using carbon composite electrode as the indicator electrode. The proposed method for the separate determination of copper ions (II) and zinc (II) under the joint presence was tested on data from titration model of binary mixtures and the real object. The titration curves were processed by the linearization method based on the transformation of a titration curve into the multiphase linear regression, whose parameters determine the equivalence point with high accuracy.
URI: http://earchive.tpu.ru/handle/11683/56961
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