Ferrocene partition calculation in a biodiesel/water interface using electrochemical methods |
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Authors: | R M P Silva M C Maynart H B Suffredini |
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Institution: | 1. Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Rua Santa Adélia 166, Bairro Bangu, Santo André, SP, Brazil
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Abstract: | This work is a continuation of previous studies concerning the behaviour of ferrocene in a mixture of two insoluble liquids. In this paper, the system reached partition equilibrium after approximately 175 min. Electroanalytical studies were executed, and a high reproducibility was observed in a range of concentrations from 2 to 14?×?10?5 mol L?1 of ferrocene that escaped from the oil to the aqueous phase. Because ferrocene most likely occurs only in the monomeric form in both the oil and aqueous phases, it was possible to predict a partition coefficient (log P(oil/water)) of ferrocene of approximately 2.4. |
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