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Modified carbon paste electrodes for the study of metal-humic substances complexation

✍ Scribed by Z. Navrátilová; P. Kula

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
598 KB
Volume
273
Category
Article
ISSN
0003-2670

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✦ Synopsis

The complexatlon of copper, zmc, mercury and salver with hunuc substances was studied by means of carbon paste electrodes modtied Hnth these hgands Sur different humlc substances were studled The dflerent behavlour of the copper complexes wrth solId hunuc hgands m the electrode were found to correlate v&h copper complexes formed v&h hgands m the solution The complexatlon reactions of metals are associated Hnth dlssolutlon and dssoclatlon of sohd humlc substances The carbon paste electrodes modlfed with humlc substances would be suitable for the study of some sod processes

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Theoretical Analysis and Determination of the Heterogeneous Stability Constant of Copper(II)-Humic Acids Complex at Chemically Modified Carbon Paste Electrode
✍ Chunming Wang; Bing Zhu; Hulin Li 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 165 KB 👁 2 views

A theory for determining the heterogeneous stability constant of a metal complex system at the surface of a chemically modi®ed carbon paste electrode was developed. The proposed theory has been applied to the studies of a copper(II)-humic acids (Has) complex system. In an open circuit, copper(II) wa