Abstract
PREVIOUS studies of the decomposition of barium azide have shown1 that the reaction proceeds at the interface between the anhydrous azide and discrete nuclei of metallic barium formed on the surface. The nuclei are formed at a rate proportional to the square of the time and, when large, grow at a constant rate with an activation energy of 25 kcal./mole. These conclusions were derived from experiments on imperfect crystals; the present communication reports results obtained on relatively perfect crystals and indicates the importance of localized macroscopic imperfections.
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References
Thomas, and Tompkins, J. Chem. Phys., 20, 662 (1952). Wischin, Proc. Roy. Soc., A, 172, 314 (1939).
Thomas, and Tompkins, Proc. Roy. Soc., A, 210, 111 (1951).
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BARTLETT, B., TOMPKINS, F. & YOUNG, D. Decomposition of Barium Azide. Nature 179, 365–366 (1957). https://doi.org/10.1038/179365a0
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DOI: https://doi.org/10.1038/179365a0
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