Book 439 Analytical chemistry and physicochemical methods of analysis: Sect. Chemical methods of quantitative determination of the composition of substances" by Z. and . Ivanova is a real find for anyone interested in chemistry and its practical aspects. This publication presents an extensive and in-depth analysis of the methods used to quantify the composition of various substances, making it an indispensable tool for both students and professionals in the field of chemistry. From the first pages, the reader plunges into the world of analytical chemistry, where each chapter opens up new horizons of knowledge. The book covers a wide range of topics, ranging from the basics of chemical analysis to complex physicochemical methods such as spectroscopy, chromatography, and electrochemical methods. Ivanov not only explains the theoretical aspects, but also offers practical examples, which makes the material accessible and understandable to readers with different levels of training. This edition will be particularly useful for chemistry students, graduate students and young scientists seeking to deepen their knowledge in analytical chemistry. The book will also be an excellent help for practicing chemists working in laboratories where accurate and qualitative analysis of substances is required. If you are interested in chemistry, biochemistry, ecology or even medicine, then this work will become a real treasure for you. The topics raised in the book cover not only technical aspects, but also philosophical reflections on the importance of accuracy and reliability in scientific research. Ivanov emphasizes the importance of qualitative analysis in various fields, such as ecology, pharmaceuticals and the food industry. It shows how analytical chemistry helps to solve current problems, including pollution control and the development of new drugs. Style Z. and . Ivanova is distinguished by clarity and logical presentation . It masterfully combines a scientific approach with accessible language, allowing readers to easily assimilate complex concepts. In his works, there is always a deep understanding of the subject and a desire to share knowledge with others. Ivanov is the author of many scientific publications and teaching aids that have earned recognition in the scientific community. His expertise and authority in analytical chemistry make this book particularly valuable. If you are looking for literature on analytical chemistry, physicochemical methods of analysis or chemical methods of quantifying the composition of substances, then "No. 439 Analytical chemistry and physicochemical methods of analysis" will become your reliable companion in the world of science. This book will not only expand your knowledge, but also inspire new research and discoveries. It is ideal for those who seek a deep understanding of chemical processes and want to put this knowledge into practice. In conclusion, it is worth noting that this publication is not just a textbook, but a whole encyclopedia of knowledge in the field of analytical chemistry. It will be a great addition to the library of anyone interested in this fascinating science. Do not miss the opportunity to immerse yourself in the world of chemistry with C. and . Ivanov and discover new horizons in understanding chemical processes and methods of analysis