Abstract
BY using true molecular beams of various hydrocarbons projected on to a platinum filament (4 mm.2 heated area) of known and controllable temperature, we have studied the primary decompositions instantaneously by pressure variations in the filament chamber, which is large compared with the filament. Similar decompositions at a carbon surface have also been studied, the carbon surface consisting of a thin layer of carbon deposited on platinum by heating a strip of the latter in a hydrocarbon atmosphere. Some preliminary results were briefly reported at the meeting of the American Physical Society in June, 19341. The inhibiting effects then ascribed to hydrogen are actually due to water.
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References
Phys. Rev., 46, 331; 1934.
M. C. Boswell, ” Mechanism of the Catalysis of Hydrogenation by Nickel”, Trans. Roy. Soc. of Canada, Sect. 3, 16, 1, later extended to platinum, ibid. 17, 1.
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BEECK, O. Effect of Adsorbed Water on the Catalytic Decomposition of Hydrocarbons (by a Molecular Beam Method). Nature 136, 1028–1029 (1935). https://doi.org/10.1038/1361028b0
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DOI: https://doi.org/10.1038/1361028b0
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