Abstract
Gas chromatography of the mixtures of various 0-methyl- and O-ethylglucoses prepared from partially 0-methylated and O-ethylated celluloses respectively by acid hydrolysis was carried out on silicone OV-1, OV-7 and OV-17 columns by the linear temperature-programmed method after the mixtures being converted to alditol acetates. The correlation between the chemical structures and the retention indices was studied in detail by introducing a parameter, Δ based on an assumption of the additive contributions of each structural unit to the retention index. It was concluded that the intimate correlation between the chemical structures and retention indices became clearer by this method.
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