Research Article | Published:

Qualitative and Quantitative Analysis

Nature volume 127, pages 360362 (07 March 1931) | Download Citation



(1) ALTHOUGH Treadwell's work is now a classic, there have been some changes and improvements in the present edition which seem to call for description. There is, first, a concise but clear account of the fundamental physicochemical theories, with examples of their applications to analytical chemistry. In the section on electrode potentials the American system of signs is adopted. It is the opposite of that used in Europe, and although each system has advantages in particular aspects of the matter, it is desirable that a common system should be reached by agreement. In the numerical tables there is, of course, the additional complication of the definition of the normal state.

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