The book "Supercritical Fluid Methods and Protocols" offers a comprehensive introduction to the methods and protocols associated with supercritical fluids. Over the past 15 years, interest in supercritical fluids has grown, particularly due to their unique properties and relatively low environmental impact. This specialized book is aimed at professionals and students who wish to engage in the extraction and separation of organic compounds, as well as the application of supercritical fluids in various fields such as particle production and waste disposal. Each chapter has been written by experienced professionals and provides detailed guidance that enables even beginners to successfully conduct experiments. The book is a valuable resource for anyone looking to apply supercritical fluid techniques for the first time.