BOOK REVIEWS
courses such as organic qualitative analysis and general biochemistry.
FRED SNYDER Oak Ridge Inslitule of Nuclear Studies fins, terpenes, plastieisers, and inorganio ions. WeU-chosen pictures and tables (Rr's) are presented to illustrate the resolution obtainable. Both adsorption and partition chromatographic processes on thin layers are discussed. Special attention is devoted to the preparation of impregnated and partially impregnated layers for reverse phase partition T I C , and the results obtained with this technique in the separation of a homologous series of fat soluble substances are described in the special application section. Information is given on t,he preparation of a wide variety of detection reagents, both general and specific, and on t,he reartions involved. Brief mention is made of the combination of thin-layer chromatography with other techniques such as electrophoresis, gas liquid chromatography, and radiometric analysis. This hook is not so extensive in details ss is the hook by Egon Stahl ("Diinnschicbt-Chromatographie"), but it does provide the reader with well-selected descriptions of useful references and in this respect is different from the book by J. M. Bohhitt ("Thin-Layer Chromatography"), which only tabulates the references according to specitic applications. Dr. Randerath's book is intended for the research worker, hut it will also be an excellent reference for college chemistry
A900
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Chernicol Educofion
Medical Division Oak Ridge, Tennes.see Geochemistry of Solids
W. S. Pgfe, University of California, Berkeley. McGrew-Hill Book Co., Inc., New York, 1964. vii 199 pp. Figs. and tables. 16 X 23.5 em. $8.50.
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This little book has been prepared by Professor Fyfe, for students in t,he Earth Sciences, particularly those who are being introduced for the first time to the chemistry of the solid state, in introductory courses in mineralogy, petrology, and geochemistry. As such i t serves its purpose well. The initial three chapters deal ddescriptively with the solid state, atomic structure, and forces between atoms. Other chapters are devoted to ionie and covalent models, mixed and other limiting t,ypes of bonds, more complex crystal structures, isomorphism and solid solution, polymorphism, defects and color in crystals, and crystal foms.tion. The conelud~ng chapter covers chemical reactions involving solids. The most interesting and likewise most important aspect of the book is the emohasis ~litced on covalent bondinz in inorganic compounds of geological and geochemical interest. There has been
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a tendency among geochemists to stress too much the ionic model of crystal structures. As Professor Fyfe points out, the sueress of the ionie model in structural chemistry may be attrihuted to the fact that the predictions from i t are essentially identical with those far the carresponding covalent model. I t is doubtful if chemists already versed in structural inorganic chemistry will find anything new here to whet their appetites. On the other hand, this hook might find general applicability its a eoneise descriptive introduction to the chemical aspects of the solid state in the introductory college chemistry course. W. D. JOHNS Washinglon Univemilg St. Louis, Missouri Chemistry in Three Dimensions
Louts F. Fieser, Harverd. Scientific Corp., Cambridge, setts. 122 pp. Figs. and X 21.5 cm. Paperbound.
Rlacalester Mzssr.chntables. 14 $1.50.
In the preface of this book Dr. Fieser writes, "I have addressed it to the student. in the hope that for some readers it may be self-teaching," and in the conclusion he writes, "The subject [organic chenristry] is very extensive and you have been introduced merely t o the structures and shapes of a small number of compounds." These statements sum up the scope and level of the presentation. The book is a blend of elementary nomenclature, his(Continued a page Ago!?)
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