JOURNAL OF CHEMICAL EDUCATION
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RADIOACTIVE TRACER TECHNIQUES
Geo. K. S+weitzer, University of Tennessee, mnd Im B. Whitney, Oak Ridge Institute of Nuclear Studies, Oak Ridge, Tennessee. D. van Nostrand Co., Inc., New York, 1949. v1 241 pp. 6 tables. 13 figs. 41 X 22 cm. $3.25.
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THEauthors, who are associated with the Oak Ridge National Laboratories, state in the prcface: "This mahual is designed to servo as a guide for Laboratory work and instruction in the utilization of radioactive tracers." As such, the book is the first of its kind to be publicly printcd. Possibly tho book is not well titled, inasmuch as it is not a comprehensive compilation of existing techniques for the hndling of radioactive substances. even a t the "tracer" level. For example, thore is no discussion of such useful techniques for the mounting of samples for counting as the "spinner" technique, tho "Lens paper" mounting, the use of tetraethylene glycol and other wetting agents for obtaining thin uniformly spread samples, and only a cursory statement about electrolytically deposited films. The treatment of such important detection problems a s absorption, self-absorption, se1f;scattering and back-scattering. and sample-detector geometry, is not so extensive as one might wish in a book of this type. PareuthetiOsUy, the reviewer may remark that there still exists a need, in his opinion, for a hook
oriticdly reviewing all of the known techniques assoriated with the preparation, mounting, and detection of rt~diochemicalsam-
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