This book is compiled in such a manner, that it will provide in-depth knowledge about the theory and practice of chromatography used to separate mixtures into their components. Chromatography has two branches- preparative chromatography and analytical chromatography. This book offers extensive information about the key theories and concepts related to chromatography. It is a valuable compilation of topics, ranging from the basic to the most complex advancements in this field. The various sub-fields of chromatography along with technological progress that have future implications are also glanced at in this book. It will prove to be immensely beneficial to students and researchers in this field. It is a complete source of knowledge on the present status of this important field.