The Taylor dispersion technique has been used to measure the diffusion coefficients of nine compounds in dilute solution in isopropanol at 300 K. These compounds correspond, by the difference of a single hydrogen atom, to nine free radicals, for which the rate constants for bimolecular (termination)
Segregation measures for diffusion-controlled A+B reactions
β Scribed by L.A. Harmon; L. Li; L.W. Anacker; R. Kopelman
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 496 KB
- Volume
- 163
- Category
- Article
- ISSN
- 0009-2614
No coin nor oath required. For personal study only.
β¦ Synopsis
New measures of segregation are defined and calculated for the A + B+O reaction on one-dimensional and fractal lattices (Sierpinski carpet and gasket). We differentiate between local and global segregation parameters. Results and comparisons are given for steady-state simulations that strictly conserve the equality of A and B particle densities. This work demonstrates that global kinetic laws are related to both local and global segregation.
π SIMILAR VOLUMES
## Abstract The treatment used for diffusionβcontrolled reactions is extended to the case when the final jumplike step of the reagent approach differs essentially from the preceding diffusion. In terms of the model proposed it is possible to take into account, in a simple way, chemical inhomogeneit
## Abstract ## Purpose To construct a temperatureβcontrolled diffusion phantom with known diffusion properties and geometry in order to facilitate the comparison and optimization of diffusion sequences with the objective of increasing the precision of experimentally derived diffusion parameters.
We study a set of nonlinear di usion equations describing the evolution of densely packed particles under gravity subject to random vibrations. Although the thermodynamics of the model predicts no phase separation at all, the dynamics displays both normal and reverse segregation depending on the mas