Meet the editor

Dr. Peter Kusch studied chemistry at the Pedagogical University in Opole and received his doctorate in organic chemical technology from the Poznań University of Technology, Poland. From 1977 to 1988, he worked as an analytical chemist and adjunct at the Institute of Heavy Organic Synthesis "Blachownia" (Kędzierzyn-Koźle, Poland). After moving to Germany, he worked for several years in the *Fischer* Labor- und Verfahrenstechnik GmbH company (Meck-

enheim/Bonn, Germany) as laboratory manager and specialist for analytical pyrolysis and gas chromatography. Since 1998 until his retirement in 2018, he was a scientific co-worker at the Department of Applied Natural Sciences of the Bonn-Rhein-Sieg University of Applied Sciences in Rheinbach, Germany. He has been author/coauthor of over 90 scientific publications, one book, edited two books, 13 invited book chapters, and 11 patents in the area of chromatography, mass spectrometry, analytical pyrolysis, and chemical technology. Dr. Kusch is a reviewer for several international journals in the area of analytical chemistry. He is an Editorial Board Member of the journals *Polymer Testing* and *Heliyon* (both from Elsevier).

Contents

**Section 1**

Analytical Technique

Derivatization Methods in GC and GC/MS *by Serban C. Moldoveanu and Victor David*

Sample Preparation Techniques for Gas Chromatography

*by Peter Kusch*

**Section 2**

**Section 3**

**Section 4**

in Grapes

*by Foujan Falaki*

Coupled with Mass Spectrometry

*Nilo Zanatta and Hélio Gauze Bonacorso*

**Preface III**

Introduction **1**

**Chapter 1 3**

Derivatization Methods **7**

**Chapter 2 9**

Sample Preparation **43**

**Chapter 3 45**

Application **75**

**Chapter 4 77**

**Chapter 5 97**

Trends for Pyrazole Fragmentation Determined by Gas Chromatography

Gas Chromatographic-Mass Spectrometric Detection of Pesticide Residues

*by Mahadev C. Khetagoudar, Mahadev B. Chetti and Dinesh C. Bilehal*

*by Clarissa Piccinin Frizzo, Bruno Luís Hennemann, Bruna Luisa Kuhn, Keli Maiara Wust, Alisson Vasques Paz, Marcos Antonio Pinto Martins,* 

Introductory Chapter: Gas Chromatography - The Most Versatile
