Abstract
Hydrogen. A number of workers have measured the absorption of hydrogen by tantalum ; thus Pirani1 found a large absorption at yellow heat, Moers2 measured the quantity taken up at higher temperatures, while Fetkenheuer3 found a maximum in the absorption at about 600° C. On the other hand, Sieverts showed a curve4 in which the quantity taken up Was greater at 20° C. than at higher temperatures. The clean-up at low pressures does not appear to have been discussed in detail, although Balke stated5 that below 1 micron the clean-up Was very small.
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References
Pirani, Z. Elektrochem., 11, 555 (1911).
Moers, Metallwirt., 13, 640 (1934).
Fetkenheuer, Siemens Z., 12, 168 (1932).
Sieverts, Z. Metallkunde, 21, 37 (1929).
Balke, Ind. and Eng. Chem., 21, 1002 (1929).
Bolton, W. V., Z. Elektrochem., 11, 47 (1905).
Moissan, C.R., 134, 1911 (1902); Bull. Soc. Chim., (3), 28, 434 (1909).
Dushman, Phys. Rev., 25, 338 (1925).
Cardwell, Phys. Rev., 38, 2041 (1931).
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WRIGHT, D. Absorption of Gases by Tantalum. Nature 142, 794 (1938). https://doi.org/10.1038/142794a0
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DOI: https://doi.org/10.1038/142794a0
