Potentiometric Determination of Palladium(II) in Aqueous Solutions Using a Modified Carbon-Paste Electrode

被引：3
|
作者：
Kholmogorova, A. S. [1 ]
Svintsova, E. A. [1 ]
Neudachina, L. K. [1 ]
Lebedeva, E. L. [1 ]
Puzyrev, I. S. [2 ]
机构：
[1] Ural Fed Univ, Ekaterinburg 620002, Russia
[2] Russian Acad Sci, Ural Branch, Postovskii Inst Organ Synth, Ekaterinburg 620990, Russia
来源：
JOURNAL OF ANALYTICAL CHEMISTRY | 2020年 / 75卷 / 05期
关键词：
palladium; carbon-paste electrode; potentiometric determination; Pd-600; activator; ION-SELECTIVE ELECTRODES; SILICA; PRECONCENTRATION; SEPARATION; RECOVERY; PLATINUM; SAMPLES; SILVER; GOLD;
D O I：
10.1134/S106193482005007X
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
We studied the main electrode functions of carbon paste electrodes (CPEs) modified with 0-20% of dithiooxamidated polysiloxane with respect to palladium(II). The conditions for the potentiometric titration of palladium(II) using modified CPEs as indicator electrodes were selected, namely, pH 1-2, solutions of EDTA and potassium iodide as the titrants; and modifier concentration is 0, 5, and 10%. A procedure was developed for determining palladium(II) in aqueous solutions. The procedure was tested using a GSO solution of palladium(II) and an industrially produced activator Pd-600.
引用
收藏
页码：679 / 684
页数：6
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