Analysis of light hydrocarbons C1-C5 with Porous Layer Open Tubular fused silica columns of aluminum oxide. Part 1: The column

✍ Scribed by de Nijs, R. C. M.

• Publisher: John Wiley and Sons
• Year: 1981
• Tongue: English
• Weight: 335 KB
• Volume: 4
• Category: Article
• ISSN: 0935-6304
• DOI: 10.1002/jhrc.1240041203

✦ Synopsis

Abstract

A method is described for the preparation of a Porous Layer Open Tubular (PLOT) fused silica column coated with submicron particles of aluminum oxide for the analysis of light hydrocarbons. The column is thermally stable and provides reproducible analytical data over a long period of time. The column can be operated at temperatures easily controlled by commercially available gas chromatographic apparatus. 1,3‐Butadiene is retarded much more than its principal impurities: thus the polarity of aluminum oxide is extremely useful for butadiene analysis because none of the contaminants is obscured by the butadiene peak. The analysis of the 16 most common C~1~–C~4~ hydrocarbons is achieved within 5 min at 60°C with helium as the carrier gas. Conditioning of the carrier gas with water vapor from CuSO~4~.5H~2~O to decrease the activity of the aluminum oxide is described. Some applications of a 30 m × 0.32 mm aluminum oxide PLOT column are given.