molecular diameter

molecular diameter

[mə′lek·yə·lər dī′am·əd·ər]
(physical chemistry)
The diameter of a molecule, assuming it to be spherical; has a numerical value of 10-8 centimeter multiplied by a factor dependent on the compound or element.
References in periodicals archive ?
Gases with a larger molecular diameter diffuse slower across the prepared membrane [21-23].
The gas permeation mechanism through the polymeric membrane is a solution-diffusion and gases with a larger molecular diameter diffuse slower through membrane structure [21-23] and also due to the larger molecular diameter of C[H.
has been granted a patent for a coating composition comprised of (a) a film-forming resin; (b) a porous solid comprised of an ion-exchange ceramic comprised of pores having antimicrobial metal ions disposed therein; and (c) a halogen ion-containing onium compound having a minimum molecular diameter according to the equation: D.
A new strategy involves the use of nanopores - orifices of molecular diameter that connect two fluid reservoirs.
Subsequently, it was shown that diffusivities for gases and vapors in glassy PS and PMMA, in addition to PVC, are strong exponential functions of molecular diameter (5).
Several measures of molecular diameter were used in establishing these correlations: Gas viscosity measurements yield the Lennard-Jones force constant diameters, [d.
How do molecules of such a liquid shift and roll when they are wedged between moving surfaces only a few molecular diameters apart?