Abstract
Derivatization procedures using quaternary ammonium hydroxides are now frequently applied to the gas chromatography/mass spectrometry (GCMS) analysis of paint media and varnishes. This paper compares the results obtained when triterpenoid resins are analysed using different reagents and sample preparation methods. Depending on the reagent and derivatization method used, the quaternary ammonium hydroxides produced multiple derivatives and induced isomerization in a number of the components of triterpenoid resins. This has implications for selecting an appropriate derivatization technique for the analysis of triterpenoid resins such as dammar and mastic.
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