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Experimental verification of the metal flux enhancement in a mixture of two met...
Pinheiro, J. P.; Salvador, J.; Companys, E.; Galceran, J.; Galceran, J.Rigorous computation of the metal flux crossing a limiting surface of a system that contains a mixture of 1 : 1 metal complexes under steady-state planar diffusion in a finite domain and under excess of ligand conditions predicts, for some cases, an enhancement of the metal flux with respect to that expected in a system with independent complexes. Indeed, the coupling of the dissociation kinetics of both comple...
The use of microelectrodes with AGNES
Huidobro, C.; Companys, E.; Puy, J.; Galceran, J.; Pinheiro, J. P.Absence of gradients and nernstian equilibrium stripping (AGNES) is a new electroanalytical technique designed to determine free heavy metal ion concentrations in solutions. AGNES had been applied, up to date, with conventional equipment such as the hanging mercury drop electrode (HMDE). Due to their much smaller volume, microelectrodes can reach a given preconcentration factor within a much shorter deposition ...
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