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Gas Chromatography-Mass Spectrometry Paired with Total Vaporization Solid-Phase Microextraction as a Forensic Tool
 

Gas Chromatography-Mass Spectrometry Paired with Total Vaporization Solid-Phase Microextraction as a Forensic Tool

Article DOI: 10.3791/61880-v • 05:31 min • May 25th, 2021
May 25th, 2021 •
*1, *1,2
1Department of Chemistry & Chemical Biology, Indiana University - Purdue University Indianapolis, 2Forensic & Investigative Sciences Program, Indiana University - Purdue University Indianapolis
* These authors contributed equally

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résumé
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Total Vaporization Solid Phase Microextraction (TV-SPME) completely vaporizes a liquid sample whilst analytes are sorbed onto a SPME fiber. This allows for partitioning of the analyte between only the solvent vapor and the SPME fiber coating.

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Gas Chromatography-Mass Spectrometry Total Vaporization Solid-Phase Microextraction Forensic Tool TV-SPME Protocol Wide Range Of Samples Drugs Racing Fuels Explosive Materials Polycyclic Aromatic Hydrocarbons Volatile Analytes No Filtration Needed Organic Solvents Aqueous Solvents High Sensitivity Better Sensitivity Than Liquid Injection Headspace SPME Immersion SPME Large Sample Volumes GC Instrumentation Simple Technique Proper Volume Delivery Manual Syringes Electronic Syringes Fiber Coating Degradation Visual Demonstration Solid Sample Extraction Or Dissolution
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