Application Notes

Application Notes

AppNote 165: Thermochemolysis – A Simple and Rapid Methylation Method Based on TMAH for Gas Chromographic Analysis of LInseed Oil and Amber

App Note 5/2013

In order to improve pyrolysis chromatographic analysis of materials that release polar functional groups e.g. carboxylic acids, a simple and rapid methylation method based on TDU pyrolysis/GC-MS in the presence of tetramethylammonium hydroxide (TMAH) was developed. Linseed oil was selected as test material because of its high triglyceride content comprising both saturated and unsaturated fatty acids. Pyrolysis was performed at 500, 600 and 700°C using GERSTEL pyrolysis module (PYRO) with a heated platinum filament.