On the two-domain equations for gas chromatography.

Romero, Louis Anthony ; Parks, Michael L.

Sandia National Laboratories

关键词: Density Gas Chromatography.;    Gas Chromatography;    Diffusion;    Chromatographic Analysis.;    37 Inorganic, Organic, Physical And Analytical Chemistry;   

DOI  :  10.2172/978912
RP-ID  :  SAND2009-0605
RP-ID  :  AC04-94AL85000
RP-ID  :  978912

美国|英语

来源: UNT Digital Library

【 摘 要 】

We present an analysis of gas chromatographic columns where the stationary phase is not assumed to be a thin uniform coating along the walls of the cross section. We also give an asymptotic analysis assuming that the parameter {beta} = KD{sup II}{rho}{sup II}/D{sup I}{rho}{sup I} is small. Here K is the partition coefficient, and D{sup i} and {rho}{sup i}, i = I, II are the diffusivity and density in the mobile (i = I) and stationary (i = II) regions.