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RETENTION OF HALOCARBONS ON A HEXAFLUOROPROPYLENE EPOXIDE-MODIFIED GRAPHITIZED CARBON BLACK - IV. PROPANE- BASED COMPOUNDS
Citation:
Bruno, T. J., K. H. Wertz, AND M. Caciari. RETENTION OF HALOCARBONS ON A HEXAFLUOROPROPYLENE EPOXIDE-MODIFIED GRAPHITIZED CARBON BLACK - IV. PROPANE- BASED COMPOUNDS. JOURNAL OF CHROMATOGRAPHY A. Elsevier Science BV, Amsterdam, Netherlands, 708(2):293-302, (1995).
Impact/Purpose:
Journal Article
Description:
The retention characteristics of 25 propane-based bromofluorocarbon, chlorocarbon, chlorofluorocarbon, and fluorocarbon fluids have been studied as a function of temperature on a stationary phase consisting of a 5% (m/m) coating of a low-molecular-mass polymer of hexafluoropropylene epoxide on a graphitized carbon black adsorbent. Measurements were performed at 0, 20, 40 and 60°C for R-245ca and R-245cb. Measurements were performed at 20, 40, 60 and 80°C for R-227ca, R-227ea, R-236ea, R-236fa, R-245fa, R-263fb. Measurements were performed at 40, 60, 80 and 100°C for R-217ba, R-254cb and R-1243b, and at 60, 80, 100 and 120°C for R-280da and R-217caB1. Measurements were performed at 80, 100, 120 and 140°C for R-215aa, R-216ba, R-253fb, R-262da, and R-270aa. Measurements were performed at 100, 120 140 and 160°C for R-215ba, R-225ca, R-225cb, R-243db, R-270da, R-270fa, and R-270fb. Relative retentions as a function of temperature were calculated with respect to the retentions of tetrafluoromethane (R-14) and hexafluoroethane (R-116). Qualitative features of the data are examined, and trends are identified. In addition, the relative retention data were fitted to linear models for the purpose of predicting retention behavior of these compounds to facilitate chromatographic analysis.
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Retention of Halocarbons on a Hexafluoropropylene Epoxide-Modified Graphitized Carbon Black - IV. Propane-Based Compounds (PDF, NA pp, 2517 KB, about PDF)