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8588384 
Journal Article 
HIGH PERFORMANCE LIQUID CHROMATOGRAPHIC HPLC METHOD FOR TYPE ANALYSIS OF HYDROCARBONS IN SYNTHETIC FUEL NAPHTHA 
Beshai, JE; George, AE 
1981 
A rapid method has been developed which provides type distribution analysis of the saturated, olefinic and aromatic hydrocarbons in the naphtha fraction (IBP - 200 degree C). The method employs a dual-column high pressure liquid chromatography (HPLC) system of mu -Porasil and diamine bonded phase sorbents with n-hexane as a mobile phase. A complete characterization takes 20 min and requires only 2. 5 mu L of sample.