Voltammetric in situ investigation of an MCM-41-modified carbon paste electrode—a new sensor

Abstract : The voltammetric response of a mesoporous pure silica-MCM-41 modified carbon paste electrode provides a new tool in the in situ investigation of mass transfer reactions involving copper(II) and mercury(II) species at the MCM-41∣solution interface. The modified electrode has been successfully applied as a new selective sensor for these heavy metal cations in ammoniacal medium, in the presence of a large excess of alkali and alkaline earth elements.
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Alain Walcarius, C. Despas, P. Trens, M.J. Hudson, J. Bessiere. Voltammetric in situ investigation of an MCM-41-modified carbon paste electrode—a new sensor. Journal of Electroanalytical Chemistry, Elsevier 1998, 453 (1-2), pp.249-252. ⟨10.1016/S0022-0728(98)00203-4⟩. ⟨hal-01942054⟩

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