Gas Chromatography

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• Gas Chromatography

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Detector
Injector
Column
Chromatograph
Data Processing
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a Stainless steel packed column, 1/8 inch
diameter (3.2 mm) b A 0.53 mm (530 mm) or
wide bore column c,d Capillary column of
0.25 mm (250 mm) inner diameter
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Distribution coefficient
Retention factor
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Polyimide coating
Silica glass capillary
dc
Stationary phase film
df
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Stationary phase
Chemically inert Non-volatile Thermal
stablility Appropriate physical sorption of
analyte
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