Actions for Mass-Spectrometric Effusion Study of Uranium Monophosphide

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Mass-Spectrometric Effusion Study of Uranium Monophosphide

Author
Reishus, J. W.
Published
United States : [publisher not identified], 1968.
[Oak Ridge, Tennessee] : [U.S. Atomic Energy Commission], 1968.
Physical Description
microfiche : negative ; 11 x 15 cm
Additional Creators
Danielson, P. M., Edwards, R. K., and Gundersen, G. E.

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Summary
A mass-spectrometric effusion study of the vaporization of uranium monophosphide has been completed. Between 2073 and 2423 deg K, the monophosphide does not vaporize congruently, but instead loses phosphorus preferentially, forming a two-phase system. The vapor species observed were U(g), P(g), and P2(g). The temperature dependencies of the partial pressures in atmospheres are given. A value for the enthalpy of sublimation of uranium at 298 deg K was found to be 129.0 +- 3.7 kcal/mole from averaging our second- and third-law values, which were in good agreement with each other.
Report Numbers
ANL-7514
Other Subject(s)
Collection
U.S. Atomic Energy Commission depository collection.
Note
DOE contract number: W-31-109-ENG-38
NSA number: NSA-23-024137
OSTI Identifier 4798834
Research organization: Argonne National Lab., IL (United States).
Funding Information
Sponsored by US Atomic Energy Commission (AEC).
View MARC record | catkey: 38047913