Influence of diphenylsiloxane composition on the selectivity of poly(dimethyldiphenylsiloxane) stationary phases for open-tubular column gas chromatography
β Scribed by W. Kiridena; W. W. Koziol; C. F. Poole; M. I. Nawas
- Book ID
- 105594522
- Publisher
- Springer
- Year
- 2001
- Tongue
- English
- Weight
- 876 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0009-5893
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## Abstract The solvation parameter model is used to characterize the solvent properties of 12 poly(siloxane) stationary phases of varied structure. Selectivity differences are explained in terms of differences in the cohesive energy of the solvents and their capacity for dispersion, dipoleβtype, h
Thepurposeof this report is tointroduceanewmethodforusein coating polymeric stationary phase films on the inside wall of small bore diameter fused silica capillary tubing. This technique is being developed for use in fabricating capillary columns for open tubular liquid chromatography.
## Abstract The solvation parameter model is used to characterize the selectivity of DBβ608 and DBβ624 openβtubular columns at five equally spaced temperatures over the range 60 to 140Β°C. The system constants for the DBβ608 and DBβ624 columns were used as selectivity parameters to search a database