The third installment of the Handbook of Detergents, Part C: Analysis demonstrates the full spectrum of strategies, methods, and techniques for the analytical deformulation of modern detergents developed in the last decade. It offers a comprehensive view of all aspects of detergents, including typical ingredients of modern products, testing of detergent formulations, the determination of detergent ingredients in the environment, and the application of modern instrumental techniques. The handbook outlines features and experimental parameters for many essential procedures, emphasizing up-to-date techniques and methods that have proved effective and useful in daily work.