Table of Contents

Introduction FUNDAMENTALS Sample Preparation Gas Chromatography Mass Spectrometry EVALUATION OF GC-MS ANALYSES Display of Chromatograms Substance Identification Quantitation Frequently Occurring Impurities APPLICATIONS

About the Author

Hans-Joachim Huebschmann graduated as Certified Food Chemist from the Technical University in Berlin, Germany, working in the field of LC-MS residue analysis of anabolic agents and pesticides in food. He started his career in diagnostics and medical analytical instruments before working for a number of German companies in gas chromatography and mass spectrometry. In 2002 he joined Thermo Fisher Scientific in Bremen, Germany, and held different international positions including Channel Manager for inorganic and isotope ratio mass spectrometry, Product Manager for high resolution GC-MS and GC-MS/MS, setting up the well known POPs Center of Excellence in Bremen, Germany, and very recently acting as the Technology Manager for GC-MS for the new product development in Austin, Texas, USA. In his current capacity he is supporting Thermo Asia operations as the Technology Director for GC & GC-MS.