Determination of copper in seawater by adsorptive voltammetry with 1,2‐dihydroxyanthraquinone‐3‐sulfonic acid | Zendy

Quentel François | Zendy; Elleouet Catherine | Zendy; Madec Christian | Zendy

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Determination of copper in seawater by adsorptive voltammetry with 1,2‐dihydroxyanthraquinone‐3‐sulfonic acid

Author(s) -

Quentel François,

Elleouet Catherine,

Madec Christian

Publication year - 1994

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.1140060812

Subject(s) - seawater , copper , chemistry , sulfonic acid , voltammetry , adsorption , inorganic chemistry , adsorptive stripping voltammetry , detection limit , stripping (fiber) , chelation , electrochemistry , chromatography , electrode , organic chemistry , materials science , oceanography , composite material , geology

A method is described for the determination of copper in seawater by adsorptive stripping voltammetry after accumulation of a 1,2‐dihydroxyanthraquinone‐3‐sulfonic acid (DASA) complex. The effects of various operational parameters (pH, ligand concentration, potential, and accumulation time) on the reduction current of the adsorbed chelate are discussed. A linear current concentration relationship was observed up to 5 × 10 −8 M. The detection limit is 0.3 nM.

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