Abstract
Abstract 3-Aminopropyl or 3-cyanopropyl-bonded silica-gel thin-layer rods (Chromarod NH2–SII or CN–SII) were prepared and a hydrocarbon class separation of higher hydrocarbons has been investigated by flame ionization detection–thin-layer chromatography (FID–TLC) with those rods as the stationary phase. The resolutions (Rs) of the class separation with Chromarod NH2–SII and CN–SII were compared with those with conventional rods on the market, which were silica-gel-sintered (Chromarod S and SII) and alumina-gel-sintered (Chromarod A) thin-layer rods. An adequate class separation of higher hydrocarbons into Saturates (Sa), Monoaromatics (M-Ar), Diaromatics (D-Ar) and Triaromatics (T-Ar) could be performed by FID–TLC with Chromarod NH2–SII or CN–SII.
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