Head-space GC-FID

Gas chromatography with flame-ionisation detection run on the vapour above a sealed sample. The standard forensic method for methanol and ethanol in beverages and biological fluids. On a polar wax column (DB-WAX, polyethylene glycol), methanol elutes before ethanol.

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Analysis of Methanol, Denaturants and Illicit Liquors

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Head-space GC-FID

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