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Published September 1, 1926 | public
Journal Article Open

Wave-length standards in the extreme ultra-violet spectra of carbon, nitrogen, oxygen and aluminum

Abstract

Wave-length determinations.—The wave-lengths of lines in the extreme ultra-violet spectra of carbon, nitrogen, oxygen and aluminum have been determined with an accuracy of .01 to .04 A by direct comparison with iron standards. pp′ groups in carbon CIII and nitrogen NIV-pp′ Groups of carbon CIII and nitrogen NIV have been completely resolved into six components and the ratio p1p2/p2p3 found to be 2.47 and 2.33 respectively.

Additional Information

©1926 The American Physical Society. Received 8 June 1926.

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Created:
August 21, 2023
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October 13, 2023