Raman sensor to monitor the nitrate and nitrite in the nuclear waste tank

Sunil K. Khijwania; Akshaya Kumar; Fang-Yu Yueh; Jagdish P. Singh

doi:10.1117/12.516216

27 February 2004 Raman sensor to monitor the nitrate and nitrite in the nuclear waste tank

Sunil K. Khijwania, Akshaya Kumar, Fang-Yu Yueh, Jagdish P. Singh

Proceedings Volume 5268, Chemical and Biological Standoff Detection; (2004) https://doi.org/10.1117/12.516216
Event: Optical Technologies for Industrial, Environmental, and Biological Sensing, 2003, Providence, RI, United States

Abstract

The motivation of this work is to monitor the real time concentration of nitrates in the radioactive wastes, as they are the key molecules in the solution. The effect of different optical configurations of the probes on the Raman signal was studied using acetone as the test sample. We found that InPhotonics^TM Raman probe give best signal-to-noise data comparing to the other two probes evaluated. The Raman spectra of 10% NaNO₃ solution were then successfully recorded with this probe. The Raman signal of Nitrate at 1054 cm^-1 is very strong with 500 ms sampling time. The initial study shows that the Raman sensor is capable to monitor the nitrate in the nuclear waste tank.

Citation Download Citation

Sunil K. Khijwania, Akshaya Kumar, Fang-Yu Yueh, and Jagdish P. Singh "Raman sensor to monitor the nitrate and nitrite in the nuclear waste tank", Proc. SPIE 5268, Chemical and Biological Standoff Detection, (27 February 2004); https://doi.org/10.1117/12.516216

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