𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Influence of metal concentration at the electrode surface in differential pulse anodic stripping voltammetry in the presence of humic matter

✍ Scribed by M.G. Bugarin; A.M. Mota; J.P. Pinheiro; M.L.S. Gonçalves

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
996 KB
Volume
294
Category
Article
ISSN
0003-2670

No coin nor oath required. For personal study only.

✦ Synopsis

The influence of metal concentration in bulk solution and of deposition time on voltammograms obtained by differential pulse anodjc stripping voltammetry in the presence of humic matter is discussed based on the slow diffusion of complexes, adsorption of the ligand on the electrode and ligand to metal concentration ratio du&g the stripping step. The conditional stability parameters at pH 5, in the bulk solution and in the absorbed layer, are determined. The concentration of adsorbed sites is calculated from the saturation of the sites at the electrode surface with metal ions, estimated either from the critical deposition time or from the height of the shoulder presented in the voltammogram.

📜 SIMILAR VOLUMES

An Electrochemical Study of the Interact
An Electrochemical Study of the Interactions Between Trace Metals and Humic Substances in Freshwaters by Anodic Stripping Voltammetry with a Thin Mercury Film Rotating Disk Electrode
✍ Catherine A. Murimboh; Jianfu Deng; John Murimboh; Jeffrey W. Guthrie; Chuni L. 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 442 KB 👁 1 views

## Abstract An improved theoretical approach to Anodic Stripping Voltammetry with a Thin Mercury Film Rotating Disk Electrode for elucidating the nature of the interactions of Pb(II), Cd(II) and Zn(II) with humic substances in model solutions of Laurentian fulvic acid, and of Pb(II), Cd(II), Zn(II)