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Light-assisted dynamic titration: from theory to an experimental protocol

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Abstract

In order to design a dynamic titration method, we propose a theoretical model harnessing the kinetic properties of the complexation of the titrated species with a titrating photoswitchable reagent. Forced oscillations of illumination are imposed and concentration oscillations of the targeted species are deduced from the equations of chemical kinetics. We determine analytical expressions of the resonance conditions on the control parameters, angular frequency, mean light intensity, and total concentration of the photoswitchable reagent, which optimize the out-of-phase amplitude of concentration oscillations. A user-friendly protocol of dynamic titration is proposed.

Graphical abstract: Light-assisted dynamic titration: from theory to an experimental protocol

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Publication details

The article was received on 21 Jun 2018, accepted on 09 Sep 2018 and first published on 10 Sep 2018


Article type: Paper
DOI: 10.1039/C8CP03953D
Citation: Phys. Chem. Chem. Phys., 2018, Advance Article
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    Light-assisted dynamic titration: from theory to an experimental protocol

    A. Pellissier-Tanon, R. Chouket, T. Le Saux, L. Jullien and A. Lemarchand, Phys. Chem. Chem. Phys., 2018, Advance Article , DOI: 10.1039/C8CP03953D

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