Gas chromatography has wide range of applications in various detection and analysis methods in modern day chemistry. This book includes a compilation of researches which discuss the techniques and applications of gas chromatography. The objective of this book is to present the connection between a range of chromatography methods and diverse processes. Experts have applied these methods in significant technology, medical, ecological, physical and chemical procedures. Most of them arranged arithmetical support for their unique outputs attained from the chromatography methods. Since, chromatography methods are different and varying, this book will help experts and students to decide on an appropriate chromatography method. This book also demonstrates the recent challenges within this area.