Abstract
IN recent years the line of separation of the common from the rare elements has become very indistinct, and many substances which were until recently mere curiosities in some chemical laboratories have now found extensive industrial application. Many alloys, for example, which are in common use may now contain elements such as vanadium, tungsten, molybdenum, and cerium, whilst many other uses of the rarer elements are being discovered daily. The methods of testing for these elements have not been worked through systematically as has been the case with those in use for the common elements, and the present work is therefore of great interest and value. Many of the tests and separations are quite new, and one striking novelty is the extended use of perchloric acid in many of the separations.
A System of Qualitative Analysis for the Rare Elements.
By Prof. Arthur A. Noyes Prof. William C. Bray. Pp. xii + 536. (New York: The Macmillan Co., 1927.) 21s. net.
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[Book Reviews]. Nature 122, 166 (1928). https://doi.org/10.1038/122166b0
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DOI: https://doi.org/10.1038/122166b0