Excerpt from Catalytic Action
In order to treat the phenomena of Catalytic Actions in a systematic manner, it is necessary to define or describe in some way the relations which arc to be included. At the same time such a definition or description must recognize a definite connection and interrelation with chemical reactions in general. Fundamentally, the same general laws and regularities must hold for all such reactions, but Catalytic Actions are distinguished by certain peculiarities which have made it advisable to consider and treat them as a separate group.
It is the purpose of this book to emphasize the chemical nature of so-called Catalytic Actions. The general theory of the Mechanism of Chemical Reactions elaborated to some extent elsewhere serves as the groundwork. The reactions which are, by more or less common consent, included under Catalytic Actions, are then determined by the introduction of a simple concept.
Such a development is simple in principle. At the same time, the expression of certain doubts may be permitted in this connection. The various attempts which have been made in the past to define the terms Catalysis and Catalytic Action have been unsatisfactory in that the limitations imposed upon the chemical reactions and the changes involved, have been inadequate in one way or another. The writer naturally believes that the definition which he suggests for Catalytic Action is more satisfactory than any heretofore proposed, but the uncertainties of this definition are also pointed out in the pages following. In fact, it may be asked whether the separation of Catalytic Actions from Chemical Reactions in general is not an artificial one, and incapable of exact formulation. This question is discussed in some detail. The main point, however, cannot be emphasized too frequently; namely, that chemical (and also physical) relationships and laws which apply to Chemical Reactions, necessarily must hold for Catalytic Actions, no matter how these may be limited or defined.
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