The technique of gas chromatography (GC) is well known as an analytical tool but preparative applications are less common. Small-scale preparative GC is essentially analytical GC with the addition of a sample collection system at the column outlet; milligram or sub-milligram quantities can be conveniently handled. Isolation by repetitive injection is normally required. However, larger quantities of sample can also be handled on larger diameter columns (Henly and Royer 1969).
KeywordsFermentation Phenol Steam Hexane Helium
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