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Seventh Topical Report on The Reactions of Borohydrides and Aluminohydrides with Wolfram (VI) Halides and Eighth Topical Report on Preparation and Properties of Thorium Borohydride
(1) A comprehensive investigation of methods for the preparation of hydrides of wolfram has been made. A wolfram (IV) hydride-aluminum hydride mixture has been prepared and its N{sub H} and thermal stability determined for its evaluation as a nuclear radiation shield material. Aluminum borohydride has been shown to reduce wolfram (VI) chloride to a subchloride. The alkali borohydrides also reduce hexavalent wolfram, but in no case has a wolfram borohydride been isolated. (2) An investigation of the chemical and physical properties of thorium borohydride, which pertain to its use as alow-temperature nuclear radiatin shield, is presented. Values are taken from the literature when available and are supplemented where necessary by our experimental investigation.
Date:
November 8, 1950
Creator:
Bragdon, Robert W.
System:
The UNT Digital Library