Results 211 to 220 of about 99,843 (265)

Kinetics of Random Sequential Adsorption

Physical Review Letters, 1989
We present the first kinetic analysis specifically applicable to the random sequential adsorption (RSA) process in the intermediate coverage range. Our method is applied to hard disks adsorbing on a flat, uniform surface. Exact analytic expressions are derived for the first three coefficients of a power series for the rate of adsorption as a function ...
, Schaaf, , Talbot
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Kinetics of polymer adsorption and desorption

Physical Review Letters, 1991
We study adsorption-desorption kinetics of polymer chains at a solid surface. Protio polystyrene, adsorbed from cyclohexane to a single surface of oxidized silicon, was displaced by deuterio poly- styrene. A single time constant, ${\mathrm{\ensuremath{\tau}}}_{\mathrm{off}}$, described displacement for a significant time (1--2 h).
FRANTZ, P, GRANICK, S
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Adsorption Kinetics of Polymeric Molecules

2001
This chapter is devoted to discussing measurements of adsorption from simple solutions, desorption by flushing, and several variations of polymer/polymer exchange. It reviews theory that is relevant to each of the sub processes mentioned. The chapter discusses some frequently applied methods applicable for oxidic surfaces and also reviews experimental ...
Cohen Stuart, M.A., de Keizer, A.
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Adsorption kinetics of prothrombin

Journal of Colloid and Interface Science, 1983
Abstract The adsorption kinetics at the air/water and phospholipid monolayer/water interfaces was determined by measuring the change of surface radioactivity of tritium-labeled prothrombin with time. The adsorption kinetics on the mercury electrode, at different polarizations, was determined by measuring the change in capacitance with time, assuming ...
M.-F Le Compte, I Rubinstein, I.R Miller
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Kinetic Equations for Transfer-Controlled Adsorption Kinetics

Journal of Colloid and Interface Science, 1995
Abstract Kinetic equations are presented for the adsorption of a surfactant from a liquid bulk phase to a liquid/liquid or air/liquid interface, for a situation where diffusion equilibrium between bulk and subsurface is established, and consequently the transfer of surfactant from the subsurface to the surface is the rate-determining step in the ...
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Overshoots of Adsorption Kinetics

Journal of Colloid and Interface Science, 1996
Abstract A new theoretical approach to studying overshoots in adsorption kinetics has been developed in which surface conformational kinetics are introduced onto a solid interface. It is found that these kinetics cause, under certain conditions, an overshoot or oscillation in both the surface concentration and adsorbed concentrations.
Leonid K. Filippov, Nadezhda L. Filippova   +1 more
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Kinetics of Solute Adsorption at Solid/Solution Interfaces: On the Special Features of the Initial Adsorption Kinetics

Langmuir, 2008
The features of the initial adsorption kinetics monitored at short adsorption times are investigated. It is shown that the concave character of the square-root dependence on time may be due to a combined effect of the rate of surface reaction and that of the transport from the bulk to the surface.
Władysław, Rudzinski, Wojciech, Plazinski   +1 more
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The kinetics of nonisothermal adsorption

Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, 1970
1. The kinetics of adsorption with allowance for heat evolution has been considered on a cylindrical granule the lateral surface of which is impermeable and thermally insulated. 2. The initial stage of this process has been studied in detail for the case where the changes in concentration and temperature are small while the heat exchange
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Adsorption Equilibrium and Adsorption Kinetics: A Unified Approach

Chemical Engineering & Technology, 2004
AbstractConventional methods for the characterization of adsorption systems (determination of equilibrium and kinetic parameters) have been discussed. It is shown that the kinetic parameters determined by conventional methods are completely inconsistent with the equilibrium parameters.
Md.A. Islam, Md.M.R. Khan, Md.S.I. Mozumder   +2 more
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The kinetics of field adsorption

Surface Science Letters, 1984
Abstract In an applied field of ∼ 1 V/A or higher, gas atoms and molecules near the electrode surface can be attracted to the surface and be field adsorbed there. Field adsorption can occur at a temperature much higher than that in ordinary physical adsorption.
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