Analytical Methods for Certain Metals Including Cerium, Thorium, Molybdenum, Tungsten, Radium, Uranium, Vanadium, Titanium and Zirconium Page: III
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The rare metals are becoming increasingly important to our
industries. Rare-metal alloys have properties which indicate that
we are only on the threshold of the possibilities of their utilization,
not only in making nonferrous alloys, but also as special steels. Not
only are their uses broadening rapidly, but the metals are affecting
our industries in other ways. The oxides and some salts are used as
pigments; others have medicinal value. The pure metals are made
into filaments for incandescent lamps, and targets for X-ray tubes.
By their efficient use in alloys, the weight of automobiles is reduced,
and the wear and tear on tires and roads is thus minimized; in machine
shops they help to give greater efficiency to tools and reduce produc-
tion costs. Their development has marked a milestone in the prog-
ress of civilization.
There has been considerable uncertainty regarding analytical
methods for the rare metals. A great deal has been published, but
the weak and the strong points of the various methods have not
been investigated as carefully as is needed.
The Bureau of Mines at its Rare Metals station in Colorado neces-
sarily had to do a great deal of analytical work in connection with
the metals covered by this bulletin, which aims to give the results of
the experience so acquired. No claim for much originality is made,
although some published methods given have been modified, and
some new ones have been developed by members of the staff. The
principal methods available were studied critically, and it is to be
hoped that the work will assist those interested in analytical work in
connection with the metals named.
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Moore, R. B.; Lind, S. C.; Marden, J. W.; Bonardi, J. P.; Davis, C. W. & Conley, J. E. Analytical Methods for Certain Metals Including Cerium, Thorium, Molybdenum, Tungsten, Radium, Uranium, Vanadium, Titanium and Zirconium, report, 1923; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc12399/m1/3/: accessed March 24, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.