Veronika Meyer’s book on HPLC is a classic text and remains one of the few titles available on general HPLC. Following on from the success of the previous three editions, this new, fourth edition continues to provide users of HPLC in industry, government, and service laboratories, as well as postgraduate students, with a unified approach to HPLC and an equal treatment of the theory and practice of this important technique.The contents of this edition have been revised, expanded and updated. Where available, old literature references have been replaced by recent ones. New sections on the following topics have been included: Shelf-live of mobile phasesThe mixing crossPhase systems in ion chromatographyMeasurement uncertainty