THE SODIUM HYDROXIDE-SODIUM HYDRIDE SYSTEM

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Portions of the NaOH-NaH phase diagram were studied by means of differential thermal analysis. Under certain conditions NaH will either react with NaOH according to the equation NaH + NaOH in equilibrium Na/sub 2/O + H/ sub 2/ or thermally dissociate according to the equation NaH in equilibrium Na + 1/2 H/sub 2/. Both of these reactions are suppressed by a high H/sub 2/ pressure; and NaH neither reacts nor dissociates to an extent sufficient to affect the results reported. This was evidenced by the fact that changing the H/ sub 2/ pressure above the system in the range indicated ... continued below

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Kerzner, M.S.; Kelly, H.C. & Johnson, S. March 1, 1957.

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Portions of the NaOH-NaH phase diagram were studied by means of differential thermal analysis. Under certain conditions NaH will either react with NaOH according to the equation NaH + NaOH in equilibrium Na/sub 2/O + H/ sub 2/ or thermally dissociate according to the equation NaH in equilibrium Na + 1/2 H/sub 2/. Both of these reactions are suppressed by a high H/sub 2/ pressure; and NaH neither reacts nor dissociates to an extent sufficient to affect the results reported. This was evidenced by the fact that changing the H/ sub 2/ pressure above the system in the range indicated did not change, within the limit of error of the experiments ( approximately plus or minus 5 deg ), the temperature at which a phase change was started or completed. Therefore the concentrations of Na and Na/sub 2/O present in the samples must have been small in all cases. Under a high H/sub 2/ pressure, therefore, the system may be considered as essentiallybinary, consisting of NaOH and NaH. (auth)

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  • Other Information: Decl. Apr. 1957

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  • Report No.: CF-57-3-36
  • Grant Number: W-7405-ENG-26
  • DOI: 10.2172/4354764 | External Link
  • Office of Scientific & Technical Information Report Number: 4354764
  • Archival Resource Key: ark:/67531/metadc1027031

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  • March 1, 1957

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  • Oct. 15, 2017, 10:09 p.m.

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Kerzner, M.S.; Kelly, H.C. & Johnson, S. THE SODIUM HYDROXIDE-SODIUM HYDRIDE SYSTEM, report, March 1, 1957; United States. (digital.library.unt.edu/ark:/67531/metadc1027031/: accessed June 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.