Abstract
For the study of fast oxidation reactions at temperatures of 1200 to 1500° C., special balances and associated equipment must be used. A simple Invar beam balance 14.5 cm long and weighing 46 g was constructed using 2- and 3-mil tungsten wire supports to replace our conventional microbalance. The balance has a sensitivity of 0.4 to 0.8 · 10-4 g/div. The balance is read in the conventional manner at the end supports and 1 division equals 0.001 cm. With this balance weight changes of 0.1 g can be measured on 10-g specimens with a precision of 1 to 2 · 10-5 g.
Furnace tubes, specimen supports, and furnaces for operating in the temperature range of 1200 to 1500° C are described. Typical oxidation curves are presented.
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References
E. A. Gulbransen, Advance in Catalysis, Vol. 5, Academic Press, New York, 1953, p. 119.
E. A. Gulbransen and K. F. Andrew, Vacuum Microbalance Techniques, Vol. 1, Plenum Press, New York, 1961, p. 1.
R. F. Walker, Vacuum Microbalance Techniques, Vol. 1, Plenum Press, New York, 1961, p. 87.
E. A. Gulbransen and K. F. Andrew, Ind. Eng. Chem. 41, 2762–2767 (1949).
P. E. Blackburn, Communication to 2nd Microbalance Conference.
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© 1962 Springer Science+Business Media New York
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Gulbransen, E.A., Andrew, K.F. (1962). Invar Beam Balance for the Study of Fast Chemical Reactions. In: Walker, R.F. (eds) Vacuum Microbalance Techniques. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-6285-0_10
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DOI: https://doi.org/10.1007/978-1-4899-6285-0_10
Publisher Name: Springer, Boston, MA
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