RETRACTED: Coated graphite-epoxy ion-selective electrode for the determination of chromium(III) in oxalic medium.

This article has been retracted at the request of the Talanta Editors-in-Chief. Reason: After publication this article was discovered to have been plagiarized from an earlier work by Orlando Fatibello-Filho, Marcos Fernando de Souza Teixeira, Alexandre Zambon Pinto, presented in their paper 'Coated graphite-epoxy ion-selective electrode for the determination of iron(III) in oxalic medium', published in Analytical Letters 30 (1997) 417-427. We very much regret this error, and offer our apologies to Professor Fatibello-Filho and his co-workers. J-M. Kauffmann G.D. Christian Editors-in-Chief.