Dictionary:Partition gas chromatograph

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{{#category_index:P|partition gas chromatograph}} A device for quantitative analysis of hydrocarbon constituents. A fixed quantity of sample is carried with a stream of sweep gas through a partition column packed with an inert solid coated with a nonvolatile organic liquid. The lighter fractions traverse the column faster than the heavier fractions so that the components appear separately at the column exit, where their amounts can be measured.