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Pattern formation by two precipitated species during solvent evaporation
GERARDO LARA CISNEROS
ABIGAIL LOREDO OSTI
ALEJANDRO RICARDO FEMAT FLORES
Elias Perez
Acceso Abierto
Atribución-NoComercial-SinDerivadas
https://doi.org/10.1103/PhysRevE.77.036223
"We investigate the pattern formation produced by precipitated species during solvent evaporation through the numerical solution of a set of partial differential equations that account for the mechanisms of evaporation, diffusion, and precipitation. A pattern is formed because solvent evaporation provokes precipitation of species near the border of the system producing ringlike depositions from the edge to the center. Solvent evaporation is modeled as occurs with a liquid drop on a surface. The spacing between rings and its width are constant and roughly constant, respectively. Pattern formation follows the evaporation process inducing trends on pattern formation that are different to those produced by the precipitation of two species in a diffusive front (]Liesegang rings). The spatial structure of rings under solvent evaporation is similar to those observed during solvent evaporation on two oppositely charged colloids and is attributable to the competition between precipitation and evaporation processes."
American Physical Society
2008-03
Artículo
Inglés
Público en general
Gerardo Lara-Cisneros, Abigail Loredo-Osti, Ricardo Femat, and Elías Pérez Phys. Rev. E 77, 036223 – Published 27 March 2008
CIENCIAS FÍSICO MATEMÁTICAS Y CIENCIAS DE LA TIERRA
Versión publicada
publishedVersion - Versión publicada
Aparece en las colecciones: Publicaciones Científicas Control y Sistemas Dinámicos

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