Square-wave voltammetry of europium(III)-salicylate complex

✍ Scribed by Marina Mlakar

• Publisher: Elsevier Science
• Year: 1992
• Tongue: English
• Weight: 509 KB
• Volume: 260
• Category: Article
• ISSN: 0003-2670
• DOI: 10.1016/0003-2670(92)80125-q

✦ Synopsis

Square-wave voltammetric measurements of the Eu(III)-salicylate (Eu-Sal) complex in 0.55 mol 1-l NaCl at pH 5.3 were made. At various europium concentration levels (from 10-s to 10e6 mol 1-r) the redox process of the Eu-Sal complex is reversible, with adsorption of the reactant of the redox reaction. The detection limit with an accumulation time of 5 min at 0 V vs. Ag/AgCl was lo-* mol 1-l Eu(II1). A maximum surface concentration r max = (2.31 f 0.46) x lo-" mol cm-' was found.