Book excerpt: Analytical chemistry is the branch of chemistry which separates, identifies and measures matter. The methods used in analytical chemistry can be classified into classical methods, wet chemical methods and instrumental methods. It can be applied in a number of fields such as medicine, forensic science, environmental science, etc. This book contains some path-breaking studies in the field of analytical chemistry. A number of latest researches have been included to keep the readers up-to-date with the global concepts in this area of study. This book is an essential guide for both academicians and those who wish to pursue this discipline further.