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Interaction of NaCl/g/ and HCl/g/ with condensed Na2SO4Na2SO4(l)-NaCl(g) interactions were studied at a total pressure of one atmosphere of air or oxygen for various temperatures of Na2SO4(l) and for various partial pressures of NaCl(g) and H2O(g). Mass spectrometric sampling techniques were used to identify and monitor gas phase species. Continuous recording thermomicrogravimetric measurements were conducted to determine condensed phase weight change rates. Experimental measurements were supplemented with thermodynamic calculations. Numerous experiments were performed at sample temperatures of 900 and 1000 C with 300 ppm NaCl(g). In these experiments, the reproducibility of the Na2SO4 vaporization weight loss rate and initial weight gain upon addition of NaCl(g) were found to be satisfactory. It was found that the addition of NaCl(g) to air flowing over Na2SO4(l) at 900 and 1000 C enhances the rate of weight loss of the Na2SO4(l). This enhancement increases when H2O(g) is also added to the air flow.
Document ID
19780040979
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Stearns, C. A.
(NASA Lewis Research Center Cleveland, OH, United States)
Kohl, F. J.
(NASA Lewis Research Center Cleveland, OH, United States)
Fryburg, G. C.
(NASA Lewis Research Center Cleveland, OH, United States)
Miller, R. A.
(NASA Lewis Research Center Cleveland, Ohio, United States)
Date Acquired
August 9, 2013
Publication Date
October 1, 1977
Subject Category
Inorganic And Physical Chemistry
Meeting Information
Meeting: Symposium on High Temperature Metal Halide Chemistry
Location: Atlanta, GA
Start Date: October 9, 1977
End Date: October 14, 1977
Sponsors: Electrochemical Society
Accession Number
78A24888
Distribution Limits
Public
Copyright
Other

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