Advantages of TF-SPME Sample Extraction Prior to GC-MS

Separation Science, in collaboration with GERSTEL, Inc, offers an on-demand webinar outlining the advantages of TF-SPME as an extraction technique using various examples.

Duration: Approximately 60 minutes

Ray_Marsili_80Ray Marsili
(Marsili Consulting Group, Rockford, Illinois, USA)

Ray has published over 30 journal papers on food and flavor chemistry. He has edited four books on flavor, fragrance and odor analysis [Techniques for Analyzing Food Aroma (1997); Flavor, Fragrance and Odor Analysis (2002); Sensory-Directed Flavor Analysis (2006)] and Flavor, Fragrance and Odor Analysis, 2nd Ed. (2012). He has 35 years' experience as an R&D analytical laboratory manager/flavor chemist for major national and international food and ingredient companies. Today, he is an independent analytical flavor consultant, with a laboratory at Rockford University, Rockford, Illinois, USA.






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The advantages of TF-SPME as an extraction technique are discussed using the following examples:

  • Comparing off-flavor chemicals in beer by sequential-SBSE and TF-SPME
  • Analysis of vegetable oils by HS-TF-SPME
  • Chemicals in vaping products by HS-TF-SPME
  • Analysis of free and glycosidically bound volatile phenolics in smoke-tainted wines.

By viewing this presentation you will learn:

  • about the advantages of TF-SPME sample preparation for GC-MS, including sensitivity, ease of use, versatility, and precision
  • how one sample preparation technique does not always work best for all sample types and analytes
  • how with GERSTEL thermal desorption instrumentation, selecting the most appropriate extraction technique from many options is possible.

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