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1.1 Headspace gas chromatography (GC) involves the determination of volatile components in a polymer solution by gas chromatography of a vapor phase in thermal equilibrium with the sample matrix.Volatiles in finely ground insoluble polymers can also be

Headspace-gas chromatography (HS-GC) analysis can be applied successfully for the analysis of VSCs in different liquid matrices. It can be also applied in physical chemistry studies of these compounds, being a valuable tool for acquiring data on gas–solid and gas–liquid systems.

In this study, a gas chromatography‐mass spectrometry method was developed and validated for the analysis of short‐chain fatty acids in faecal samples. These volatile compounds were extracted with ethyl acetate and 4‐methyl valeric acid was used as an internal standard.

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Dynamic headspace sampling/gas chromatography-mass spectrometry (GC-MS) was used to isolate and identify aroma volatiles. Odor-active volatiles were detected and identified by gas chromatography

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How Gas Chromatography Works First, a liquid sample is prepared. The sample is mixed with a solvent and is injected into the gas chromatograph. Typically the sample size is small -- in the microliters range. Although the sample starts out as a liquid, it is vaporized into the gas phase. into the gas phase.

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