Volatile organic profiling of cannabis samples often requires extensive sample preparation for efficient extraction and concentration of analytes. For example, the classification of terpenes and terpenoids is an important aspect of cannabis analysis. This is due to the distinctive aroma and flavor that they impart, as well as their contributions to physiological effects and psychoactivity. Specific terpene profiles can be engineered by plant breeders in order to give the desired therapeutic effects.
This webinar will discuss techniques that remove the need for laborious sample preparation with solvents and introduce thermal desorption (TD) as a viable alternative for sample preparation. TD provides automation for direct desorption of cannabis flowers, with up to a 100 sample capacity, with simple sample preparation. Overlap mode allows the samples to be prepared by the TD while the prior sample is being analyzed by the GC, reducing run to run time and increasing throughput. As well as analyzing the flowers other samples can be taken too, vape cartridge analysis will also be discussed, from testing of the vape oils to taking samples from the vape pens themselves in a simulated puff experiment.
Overall the webinar will discuss the advantages that thermal desorption can give for analysis of a wide variety of cannabis sample types.
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David Wevill, PhD
Thermal Desorption Applications Manager, Markes International
Dr David Wevill is the Thermal Desorption Applications Manager for Markes International Inc. After completing his PhD is atmospheric chemistry he worked in a drugs of abuse testing lab before moving to Markes International at their headquarters just outside Cardiff, UK in 2007. In that time David has worked in technical support and service teams in the UK before the move to the US and his current role.
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