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The Diffusion of Hydrogen Through Carbonyl Iron at Temperatures from 800° to 1100° Centigrade
1.W. R. Ham, Am. Soc. Metals, 25, 536–564 (1937).
2.Mr. W. L. Rast will shortly publish his data on the lower temperature runs for “Mehl” iron.
3.Borelius and Lindbloom, Ann. d. Physik 82, 201 (1927).
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5.Smithells and Ransley, Proc. Roy. Soc. A150, 172 (1935).
6.Richardson, Nicol, and Parnell, Phil. Mag. 8, 1–29 (1904).
7.Donnan and Shaw, J. Soc. Chem. Eng. 29, 987 (1910).
8.R. H. Fowler and C. J. Smithells, Proc. Roy. Soc. A160, 37 (1937).
9.J. C. Slater, Phys. Rev. 49, 537 (1936);
9.J. C. Slater, Phys. Rev. 49, 931 (1936)., Phys. Rev.
10.We must express our thanks to Dr. F. R. Mehl of the Carnegie Institute of Technology for furnishing us with a supply of his hydrogen purified carbonyl iron. This carbonyl iron was purified by baking at 1100 °C in an atmosphere of purified hydrogen. For a description of this iron see reference 13.
11.We wish to thank Mr. Roesser of the National Bureau of Standards for furnishing us this thermocouple wire and standard silver beads.
12.All of the data shown in this paper was plotted after the readings were taken. No objection should be raised to plotting the temperature as millivolts in Figs. 4, 5, and 6 because the features we wish to point out in these curves are the breaks. The National Bureau of Standards thermocouple wire used here was selected because of its linear relationship between e.m.f. and temperature. The corrected temperatures of the breaks are clearly indicated.
13.Wells, Ackley, and Mehl, Trans. Am. Soc. Metals 24, 46 (1936).
14.J. B. Austin, Eng. Ind. Chem. 24, 1225 (1932).
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