A mathematical model for capillary gas chromatography Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/n009w464r

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  • In the study of gas chromatography a model is presented to simulate a capillary gas chromatographic system. The model was developed to study the concentrations of sample gas as a function of time and space as it travels through the capillary column. The molecular migration was approximated by elementary diffusion theory and the adsorption processes were described with Langmuir theory. A computer code was written to solve numerically the two coupled differential equations derived for the model. A commercial gas chromatograph fitted with a capillary column, was used for aquisition of data. The experimental system consisted of a translucent teflon tubing, .0381 cm I.D., as the capillary column. Boron trifluoride was used as the sample gas and argon was used as the carrier gas. The computer code based upon the derived model was used to evaluate the diffusion coefficient, mean adsorption time, and the probability of adsorption from experimental data. Reasonable correlations were obtained.
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  • File scanned at 300 ppi (Monochrome) using Capture Perfect 3.0.82 on a Canon DR-9080C in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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  • description.provenance : Made available in DSpace on 2014-02-03T18:01:47Z (GMT). No. of bitstreams: 1 StuartCharles1971.pdf: 726550 bytes, checksum: 333d3ee12925ec5800274a3f243f4736 (MD5) Previous issue date: 1970-07-15
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  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2014-01-30T14:29:35Z (GMT) No. of bitstreams: 1 StuartCharles1971.pdf: 726550 bytes, checksum: 333d3ee12925ec5800274a3f243f4736 (MD5)
  • description.provenance : Approved for entry into archive by Katy Davis(kdscannerosu@gmail.com) on 2014-02-03T18:01:47Z (GMT) No. of bitstreams: 1 StuartCharles1971.pdf: 726550 bytes, checksum: 333d3ee12925ec5800274a3f243f4736 (MD5)

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