Self-Absorption in Copper Hollow Cathode Discharges: Effects on Spectral Line Shape and Absorption Sensitivity
| Autor: | P. Apai, M. Bonner Denton, Herbert L. Lancaster, Karoly Rozsa, Hugh A. Phillips |
|---|---|
| Rok vydání: | 1988 |
| Předmět: |
Hollow-cathode lamp
Absorption spectroscopy Chemistry 010401 analytical chemistry Analytical chemistry 01 natural sciences Spectral line Cathode 0104 chemical sciences law.invention Spectral line shape 010309 optics law 0103 physical sciences Atomic absorption spectroscopy Absorption (electromagnetic radiation) Instrumentation Spectroscopy Intensity (heat transfer) |
| Zdroj: | Applied Spectroscopy. 42:572-576 |
| ISSN: | 1943-3530 0003-7028 |
| DOI: | 10.1366/0003702884429355 |
| Popis: | The intensity of the hyperfine doublet of the Cu(I) 324.8-nm transition was observed as a function of current, fill gas, and fill gas pressure for a new design of hollow cathode lamp incorporating a positive column and an enlarged volume cathode cavity. The intensity ratio of the two components, which reflects the degree of self-absorption, and the flame absorption sensitivity were compared with those of a conventional hollow cathode lamp. Higher intensity, better component ratio, and increased absorption sensitivity were found in the new lamp. |
| Databáze: | OpenAIRE |
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