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Popularization

GC Analysis – Part I. Separation Principles

30 June 2014

Alexis St-Gelais – Popularization I have explained in a previous post the main theoretical principles of chromatography. Today, I will detail one of its practical applications, widely used by PhytoChemia: gas chromatography (GC). It lends itself to the analysis of volatile molecules – that is to say molecules capable of passing to gas phase at

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Research notes

Analysis of Hydrosol of Quaking Aspen

17 June 2014

Alexis St-Gelais – Research Notes Two batches of young male flowers of quaking aspen (Populus tremuloides) were submitted to hydrodiffusion. The resulting hydrosol was analysed by gaz chromatography. The main constituents of sample #1 were 1,2-cyclohexanedione, characteristic of poplars, as well as benzyl alcohol and benzoic acid, while sample #2 was dominated by benzyl benzoate.

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