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Technique Of Organic Chemistry Vol. I
The purpose of this treatise is stated in the preface to the first edition. The second edition has been enlarged by five new chapters (I, II, V, XIII, XXVI), by new sections in chapters XV and XXII, and by a substantial expansion of many of the other chapters; some of them have been entirely rewritten (VIII, XI, XII, XXIV, XXX, XXXI), and others have been thoroughly revised.
New chapters V, XIII, and XXVI deal with the determination and evalu- ation of Vapor Pressure, with measurements made with the Ultracentrifuge, and with Electrophoresis. In the additions to chapters XV and XXII are presented Electron Microscopy, Nephelometry, and the determination and evaluation of Light Scattering, respectively. Temperature Measurement and Temperature Control are important for so many of the methods that it seemed advisable to treat them separately in Chapters I and II, to which reference is made in the other chapters. Likewise, a section on Light Sources has been added in chapter XXI. However, special applications of these general subjects are presented in the chapters which deal with the respective problems.
We hope that the new edition provides a more homogeneous and com- plete presentation of the field than the first edition. The title, Physical Methods of Organic Chemistry, has been called too narrow. "Organic Chemistry" distinguishes the methods described from those physicochemical methods which, though essential in other fields, are less important for, or not applicable to, organic chemistry-for example, methods employing very high temperatures. We do not, of course, suggest that the methods described are applicable to organic problems only. Though it is gratifying that workers in other fields have found the book useful, it is our chief ob- ject to provide information on the physical methods used by chemists, physicochemists, physicists, biologists, and other research workers in deal- ing with organic chemical problems.
In the volume at hand are described the determination and evaluation of physical properties of organic compounds. Other volumes of the present series deal with techniques used in the preparation, isolation, and purifica- tion of organic compounds.
I acknowledge with gratitude the valuable suggestions made in reviews and in letters by Drs. H. G. Cassidy, N. D. Cheronis, S. Glasstone, and W. Swietoslawski and the assistance of Drs. L. C. Craig, E. M. Crane, A. L. Geddes, L. Hess, K. C. D. Hickman, M. L. Huggins, W. J. Knox, V. K. LaMer, L. G. Longsworth, R. P. Loveland, J. E. LuValle, H. Mark, D. R. Morey, W. R. Ruby, D. R. Simonsen, D. W. Stewart, J. M. Stur- tevant, R. S. Tipson, G. W. Thomson, and L. H. Weissberger and Messrs. A. Ballard, R. L. Bent, C. A. Morrison, and H. Shapiro in reading the manuscripts. Miss K. Goepp assisted the authors in preparing chapters XI and XII. I am grateful for their efforts and for the splendid and understanding cooperation of the publishers in the planning and the preparation of the new edition.
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