Window Analysis Optimization Of Gas Chromatographic Separation Using Different Polarity Packed Columns
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Window diagram theory has been described by Purnell and his research team in various publications. In this paper we apply this theory to optimize a separation of complex mixture containing propylene oxide, 1-hexene, cyclohexene, tert. amylmethyl wther, 4-octene, 1-octyne, 1-nonene, p-xylene and n-decane by using two different polarity serial columns; squalane (SQ) as a non-polar solvent and Diisobutyl phthalate (DBP) as a polar solvent. A baseline separation of all mixture components is achieved following window analysis that defined the necessary relative and total column lengths. Identical chromatograms for both options: (1) SQ = front, (2) DBP=front are successfully obtained.