. The Bell System technical journal. Telecommunication; Electric engineering; Communication; Electronics; Science; Technology. 354 BELL SYSTEM TECHNICAL JOURNAL of an underlying volume concentration. Langmuir i° has shown by the use of the Gibbs adsorption isotherm that in the case of solutions where the solute greatly lowers the surface tension, there is a layer of solute at the surface which is approximately a monomolecular film under a wide range of concentrations in the body of the solution. The same type of relationship may well obtain in the system under discussion, and the concept of a
. The Bell System technical journal. Telecommunication; Electric engineering; Communication; Electronics; Science; Technology. 354 BELL SYSTEM TECHNICAL JOURNAL of an underlying volume concentration. Langmuir i° has shown by the use of the Gibbs adsorption isotherm that in the case of solutions where the solute greatly lowers the surface tension, there is a layer of solute at the surface which is approximately a monomolecular film under a wide range of concentrations in the body of the solution. The same type of relationship may well obtain in the system under discussion, and the concept of a surface film merges into that of a limiting concentration at the surface of the matrix. Measurements of spectral response were taken with the light. 8000 WAVELENGTH IN A Fig. 8—Relative spectral response to equal energy for cell A, position 1. incident upon four different positions on the cathode surface. The relative positions are the same as shown in Fig. 7. The effects were quite similar for positions 1 and 3 and again for positions 2 and 4, so curves are shown only for positions 1 and 2 for cells A and B to illustrate the effects at opposite ends of the cathode. In cells C and D the results were so similar for all four positions that curves are shown only for position 1. In Figs. 8 and 9 are shown the effects upon cell A of the admission of oxygen equivalent to half an atomic layer of free caesium. Position 1° Irving Langmuir, Proc. Nat. Acad. Sci., 3, 251 (1917).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original American Telephone and Telegraph Company. [Short Hills, N. J. , etc. , American Telephone and Telegraph Co. ]
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