The Book “Analytical Techniques in Chemistry” is addressed to meet the needs of undergraduate and postgraduate students majoring in analytical chemistry and other users of analytical instruments. The book provides basic analytical theory which is essential for understanding the subject. The reader will find clarity and recent developments in the book. The material in this text covers both fundamental and practical aspects of chemical analysis. It provides chemical principles that are particularly important to analytical chemistry. When instrument users are familiar with the fundamental principles of operation of analytical instrumentation, they will make appropriate choices and efficient use of these instruments.