Electronic Resource
College Park, Md.
:
American Institute of Physics (AIP)
The Journal of Chemical Physics
84 (1986), S. 1764-1768
ISSN:
1089-7690
Source:
AIP Digital Archive
Topics:
Physics
,
Chemistry and Pharmacology
Notes:
In previous publications a new theoretical approach to ion transport in neutral gases, based on the integral Boltzmann equation, was reported. The method is applicable to determining the evolution of a source of ions which are electrostatically accelerated through a not necessarily uniform neutral gas target. This paper presents experimental corroboration for two gas target configurations; (1) spatially uniform and (2) free-jet expansion, for protonated dimethyl-sulfoxide ions and nitrogen gas. The theory was in best agreement for the free-jet target and both configurations were used to determine an ion–molecule hard-sphere cross section of 3.6±0.15 A(ring).
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.450475
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