Meaning: The quote by Wilhelm Ostwald, a renowned scientist in the field of physical chemistry, highlights the significant distinction between old and new formulations in the study of catalysis. Ostwald's work in the late 19th and early 20th centuries contributed greatly to the understanding of chemical reactions and catalysis, and his quote reflects his recognition of the pivotal role played by the concept of the rate of chemical reactions in the evolution of catalysis as a field of study.

Catalysis, the process of increasing the rate of a chemical reaction by the presence of a substance known as a catalyst, has been a subject of fascination and research for centuries. In the early stages of its study, the focus was primarily on the qualitative aspects of catalysis, with researchers seeking to understand the mechanisms by which catalysts facilitated chemical reactions. However, as scientific knowledge and techniques advanced, a shift occurred towards a more quantitative and mechanistic understanding of catalysis, emphasizing the role of reaction rates in the process.

Ostwald's recognition of the incorporation of the concept of the rate of chemical reactions into the study of catalysis reflects the pivotal shift in the field. The incorporation of reaction rates as a fundamental consideration in catalysis marked a departure from purely qualitative descriptions towards a more rigorous and quantitative approach. This shift not only enriched the theoretical understanding of catalysis but also had profound implications for practical applications in various industrial and scientific contexts.

The concept of reaction rates in catalysis has its roots in the broader field of chemical kinetics, which is concerned with the study of rates of chemical reactions and the factors that influence them. By integrating the principles of chemical kinetics into the study of catalysis, researchers gained a deeper understanding of the underlying mechanisms and dynamics of catalytic processes. This, in turn, paved the way for more informed and efficient design of catalysts for industrial processes, such as petroleum refining, chemical synthesis, and environmental remediation.

Ostwald's emphasis on the objective development of catalysis underscores the importance of empirical evidence and experimental validation in the evolution of the field. The incorporation of reaction rates as a central concept in catalysis not only provided a more rigorous framework for theoretical understanding but also enabled researchers to make quantitative predictions and assessments of catalytic processes. This shift towards objectivity and quantifiability contributed to the maturation of catalysis as a scientific discipline with practical relevance and applicability.

Furthermore, Ostwald's quote serves as a reminder of the interconnectedness of scientific concepts and their impact on the progression of knowledge within a specific field. The incorporation of the concept of reaction rates in catalysis not only influenced the theoretical framework of the discipline but also led to the development of new experimental techniques and analytical methods for studying catalytic processes.

In conclusion, Wilhelm Ostwald's quote encapsulates the profound impact of incorporating the concept of reaction rates in the study of catalysis. This shift from qualitative to quantitative considerations has not only enriched the theoretical understanding of catalytic processes but has also led to significant advancements in practical applications. The objective development of catalysis, guided by the recognition of the importance of reaction rates, has positioned the field as a cornerstone of modern chemical technology and a fertile ground for ongoing research and innovation.