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Uhl R, Wolff O, Franzke J, et al. Laser atomic absorption spectrometry of excited Hg in a discharge applying sum frequency mixing of two diode lasers (preliminary results). Fresenius J Anal Chem. 2000;366(2):156-8doi: 10.1007/s002160050029.
Uhl, R., Wolff, O., Franzke, J., & Haas, U. (2000). Laser atomic absorption spectrometry of excited Hg in a discharge applying sum frequency mixing of two diode lasers (preliminary results). Fresenius' journal of analytical chemistry, 366(2), 156-8. https://doi.org/10.1007/s002160050029
Uhl, R, et al. "Laser atomic absorption spectrometry of excited Hg in a discharge applying sum frequency mixing of two diode lasers (preliminary results)." Fresenius' journal of analytical chemistry vol. 366,2 (2000): 156-8. doi: https://doi.org/10.1007/s002160050029
Uhl R, Wolff O, Franzke J, Haas U. Laser atomic absorption spectrometry of excited Hg in a discharge applying sum frequency mixing of two diode lasers (preliminary results). Fresenius J Anal Chem. 2000 Jan;366(2):156-8. doi: 10.1007/s002160050029. PMID: 11225918.
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Fresenius J Anal Chem. 2000 Jan;366(2):156-8. doi: 10.1007/s002160050029.

Laser atomic absorption spectrometry of excited Hg in a discharge applying sum frequency mixing of two diode lasers (preliminary results).

Fresenius' journal of analytical chemistry

R Uhl, O Wolff, J Franzke, U Haas

Affiliations

  1. Institut für Physik, Universität Hohenheim, Stuttgart, Germany.

PMID: 11225918 DOI: 10.1007/s002160050029

Abstract

Wavelength modulation diode laser atomic absorption spectrometry is applied to the detection of atomic mercury. Transitions from metastable energy levels highly populated in a radio-frequency discharge are induced with laser diodes by use of nonlinear techniques. The wavelength of one strong transition at 365.119 nm with a high oscillator strength is obtained by sum frequency generation of two diode lasers. The cold vapor technique is used to transfer ionic into atomic mercury. The mercury in the vapor phase is transported by an argon stream into the discharge tube. From the time-dependent absorption signals detection limits of 100 ng/L are achieved at this state of research.

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