Electronic Resource
College Park, Md.
:
American Institute of Physics (AIP)
The Journal of Chemical Physics
88 (1988), S. 416-421
ISSN:
1089-7690
Source:
AIP Digital Archive
Topics:
Physics
,
Chemistry and Pharmacology
Notes:
Precipitation patterns have been observed in initially uniform salt solutions. They cannot be explained by Ostwald's supersaturation mechanism, which requires concentration gradients. A theory of them is presented based on the Cahn–Hillard equation for the salt concentration c. It shows that there is a range of initial concentrations which give rise to periodic precipitation patterns provided that the diffusion coefficient D(c) is negative for some range of c.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.454617
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