Application of laser induced photoacoustic spectroscopy to the determination of 99Tc

Tsutomu Sekine; Masayuki Hiraga; Tsutomu Fujita; Abdul Mutalib; Kenji Yoshihara

doi:10.3327/jnst.30.1131

Application of laser induced photoacoustic spectroscopy to the determination of ⁹⁹Tc

Tsutomu Sekine, Masayuki Hiraga, Tsutomu Fujita, Abdul Mutalib, Kenji Yoshihara

Division of Developmental Research in Education Programs

Research output: Contribution to journal › Article

Abstract

Laser induced photoacoustic spectroscopy was applied to the determination of 99Tc in a solution coupled with quantitative complexation of Tc with to (thiourea) to form Tc(tu)₆³⁺. The complexation procedure was adopted to shift the uv absorption peak of pertechnetate to the visible region. Photoacoustic signals due to the 488 nm absorption peak of Tc(tu)₆³⁺ was analyzed by using a Fast Fourrier Transform (FFT) system. The quantitative detection of Tc could be easily performed down to the 10^-8 M concentration in this system. This is about 1,000 times more sensitive than the ordinary colorimetric measurement.

Original language	English
Pages (from-to)	1131-1135
Number of pages	5
Journal	journal of nuclear science and technology
Volume	30
Issue number	11
DOIs	https://doi.org/10.3327/jnst.30.1131
Publication status	Published - 1993 Jan 1

Keywords

PZT detection
determination
environmental pollution
hexakis thiourea technetium (III)
laser induced photoacoustic spectroscopy
photoacoustic effect
technetium 99
wavelength shifter

ASJC Scopus subject areas

Nuclear and High Energy Physics
Nuclear Energy and Engineering

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Sekine, T., Hiraga, M., Fujita, T., Mutalib, A., & Yoshihara, K. (1993). Application of laser induced photoacoustic spectroscopy to the determination of ⁹⁹Tc. journal of nuclear science and technology, 30(11), 1131-1135. https://doi.org/10.3327/jnst.30.1131

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abstract = "Laser induced photoacoustic spectroscopy was applied to the determination of 99Tc in a solution coupled with quantitative complexation of Tc with to (thiourea) to form Tc(tu)63+. The complexation procedure was adopted to shift the uv absorption peak of pertechnetate to the visible region. Photoacoustic signals due to the 488 nm absorption peak of Tc(tu)63+ was analyzed by using a Fast Fourrier Transform (FFT) system. The quantitative detection of Tc could be easily performed down to the 10-8 M concentration in this system. This is about 1,000 times more sensitive than the ordinary colorimetric measurement.",

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AU - Yoshihara, Kenji

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