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High-speed tracking of fast chemical precipitations

Abstract

Heterogeneous reactions taking place in aqueous phase are of interest since producing solid catalysts, crystallizing biomorphs or pharmaceutically relevant polymorphs, and yielding bottom-up made precipitate structures bear with significant importance both in applied and fundamental research. To achieve a better control on product properties, reaction kinetics and mechanisms must be taken into account especially in dynamic systems where transport processes are coupled to chemistry. Since characteristic time scale of numerous precipitation reactions falls below 1 s within relevant concentration range, unique experimental protocols are needed. Inhere we present a high-speed camera supported experimental procedure capable to determine such characteristic time scales in the range of 10 ms to 1 s. The method is validated both experimentally and by performing 3D hydrodynamic simulations.

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Publication details

The article was received on 26 Mar 2019, accepted on 30 Apr 2019 and first published on 02 May 2019


Article type: Paper
DOI: 10.1039/C9CP01707K
Phys. Chem. Chem. Phys., 2019, Accepted Manuscript
  • Open access: Creative Commons BY license
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    High-speed tracking of fast chemical precipitations

    R. Zahorán, A. Kukovecz, A. Toth, D. Horvath and G. Schuszter, Phys. Chem. Chem. Phys., 2019, Accepted Manuscript , DOI: 10.1039/C9CP01707K

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