Determination of the complexation capacity of waters. Measurements on model systems and natural waters employing copper as the titrating ion

被引：6
|
作者：
Presa, MJR
Catoggio, JA
Posadas, D
Tucceri, RI
机构：
[1] Natl Univ La Plata, Fac Ciencias Exactas, Dept Quim, Inst Invest Fisicoquim Teor & Aplicadas, RA-1900 La Plata, Buenos Aires, Argentina
[2] Natl Univ La Plata, Fac Ciencias Exactas, Ctr Invest Medio Ambiente, RA-1900 La Plata, Buenos Aires, Argentina
来源：
ENVIRONMENTAL TECHNOLOGY | 1998年 / 19卷 / 01期
关键词：
complexation capacity; ASV; copper; natural waters;
D O I：
10.1080/09593331908616654
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The complexation capacity of both model systems and natural waters was investigated by anodic shipping voltammetry (ASV) employing copper as the titrating ion. EDTA, NTA, citrate and humic acids were employed as model systems. Natural waters from the Santiago River were also investigated. In some cases the influence of the electrode rotating speed on the lability of the species involved was investigated. The experimental results were analyzed employing diagnosis criteria proposed by previous workers for lability, complex strength and stability constants.
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页码：45 / 54
页数：10
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