The book "Hydrases and 1,2-diacylhydrazines . Obtaining, Properties and Application in Metal Concentration Processes" is a unique publication that represents an in-depth study in the field of chemistry and materials science. The authors, gathered in a team, offer readers a detailed analysis of hydrazides and 1,2-diacylhydrazines, their synthesis, physico-chemical properties and, most importantly, their application in modern metal concentration processes. This book will become an indispensable source of information for students, graduate students, scientists and professionals working in the field of chemistry, metallurgy and materials science. The book focuses on hydrazides compounds that, despite their relative simplicity, have unique properties that allow them to be used in various industrial processes. The authors consider in detail the methods of obtaining these substances, their structural features and reactivity. Readers will be able to learn about the latest approaches to synthesis, which open new horizons for the use of hydrazides in various industries. The book is interesting not only for those who are already familiar with chemical processes, but also for those who are just starting their way in this area. It can attract the attention of students and young scientists seeking to expand their knowledge of the chemistry of metals and their compounds. In addition, professionals working in the field of ecology and resource processing will find here useful information on how hydrazides can help in the effective extraction and concentration of valuable metals from ores and waste. The topics raised in the book cover a wide range of issues, including environmental aspects of the use of chemical compounds, their impact on the environment and opportunities for more sustainable production. The authors emphasize the importance of developing new technologies that can reduce the negative impact on nature and at the same time increase the efficiency of processing processes. The style of presentation of the book is characterized by scientific rigor and accessibility, which makes the material understandable even for those who are not experts in the field of chemistry. The authors use a variety of illustrations, diagrams and tables, which helps to visualize complex concepts and facilitates the perception of information. This makes the book not only a useful textbook, but also an interesting reader for anyone interested in science and its application in real life. In addition, the team of authors has extensive experience in the field of chemistry and materials science, which gives the book additional value. Many of them are recognized experts, authorities in their fields, and their work is already known in the scientific community. This adds confidence that the material presented is relevant and based on the latest achievements of science. If you are looking for literature that will help you understand the chemistry of hydrazides and their applications in metallurgy, this book will be an excellent choice. It will not only expand your knowledge, but also inspire new research and experiments. Read "Hydrasides and 1,2-diacylhydrazines. Obtaining, Properties and Applications in Metal Concentration Processes" and discover a world where chemistry becomes the key to solving modern problems in the field of ecology and resource conservation.