. Carnegie Institution of Washington publication. 98 INFRA-RED EMISSION SPECTRA. Orthoclase (var. Adularia) [KAlSisOs]. (Rod 8 mm. long, 2 mm. diameter. Energy supplied, and watts. Curves a and b, respectively, of fig. 64. Transmission, Carnegie Publication No. 65, p. 64.) This substance emitted a little more light than albite, although it was more transparent. The emission band at 2 is prominent. The one at. 0 / 2 3 4 5 6 7 8U Fig. 65. — Orthoclase (a); alumina and silica (6); alumina and feldspar. n is shifted from its position at ^ in the absorption spectrum, from which
. Carnegie Institution of Washington publication. 98 INFRA-RED EMISSION SPECTRA. Orthoclase (var. Adularia) [KAlSisOs]. (Rod 8 mm. long, 2 mm. diameter. Energy supplied, and watts. Curves a and b, respectively, of fig. 64. Transmission, Carnegie Publication No. 65, p. 64.) This substance emitted a little more light than albite, although it was more transparent. The emission band at 2 is prominent. The one at. 0 / 2 3 4 5 6 7 8U Fig. 65. — Orthoclase (a); alumina and silica (6); alumina and feldspar. n is shifted from its position at ^ in the absorption spectrum, from which it would appear that the group of atoms causing the absorp- tion is different in the two cases. An examination of the transmission spectrum using polarized light will be necessary to determine the true. 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 Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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