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The Determination of Small Amounts of Thorium in the Presence of Uranium, Titanium, and Tungsten
Thorium is determined in uranium alloys by means of a fluoride separation followed by a complexometric titration. A nitric of hydrochloric acid solution of the alloy is neutralized to a pH of 2.0 to 3.0 and the thorium precipitated as thorium fluoride by the addition of hydrofluoric acid and ammonium fluoride using lanthanum as a carrier.
Date:
June 1955
Creator:
Willard, Hobart H. (Hobart Hurd), 1881-1974; Moses, Arthur W. & Gardner, Ross D.
System:
The UNT Digital Library
The structural design of perforated plates : a review with annotated bibliography
A report about the stress analysis and elasticity literature that reveals considerable progress has been made in providing an analytical procedure for the structural design of components in the form of perforated plates.
Date:
1959
Creator:
Rowley, John C.
System:
The UNT Digital Library