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Journal Articles

Quick measurement of continuous absorption spectrum in ion beam pulse radiolysis; Application of optical multi-channel detector into transient species observation

Iwamatsu, Kazuhiro*; Muroya, Yusa*; Yamashita, Shinichi*; Kimura, Atsushi; Taguchi, Mitsumasa; Katsumura, Yosuke*

Radiation Physics and Chemistry, 119, p.213 - 217, 2016/02

https://doi.org/10.1016/j.radphyschem.2015.10.024

Times Cited Count：1 Percentile：10.6(Chemistry, Physical)

A quick measurement system of a continuous absorption spectrum covering a wide range from 200 to 950 nm was constructed by employing an optical multi-channel detector. Ion beam pulse radiolysis with 12.5 MeV/u He, 18.3 MeV/u C and 17.5 MeV/u Ne ions were performed with the measurement system. Transient absorption spectrum of (SCN) $_{2}$ $^{-}$ was clearly observed in KSCN aqueous solutions within a few minutes in spite of their very small absorbance, demonstrating high sensitivity of 0.001-0.003 in absorbance in the range from 260 to 660 nm as well as short measurement time of a few minutes. Two different absorption peaks attributed to Br $_{2}$ $^{-}$ and Br $_{3}$ $^{-}$ were observed simultaneously in NaBr aqueous solutions, showing powerfulness of the measurement system in overviewing chemical kinetics under ion beam irradiation especially in not well investigated chemical systems.

Journal Articles

Primary process of radiation chemistry studied by ion pulse radiolysis

Yoshida, Yoichi*; Yang, J.*; Saeki, Akinori*; Tagawa, Seiichi*; Shibata, Hiromi*; Namba, Hideki; Kojima, Takuji; Taguchi, Mitsumasa

JAERI-Review 2004-025, TIARA Annual Report 2003, p.143 - 144, 2004/11

https://jopss.jaea.go.jp/pdfdata/JAERI-Review-2004-025-p0117-p0247.pdf

no abstracts in English

Journal Articles

Radiation chemistry research in water with heavy ions

Taguchi, Mitsumasa

Hoshasen Kagaku, (77), p.2 - 7, 2004/05

http://ci.nii.ac.jp/naid/10012966192

no abstracts in English

Journal Articles

Differential analyses of transient species initially produced in single heavy ion track; Nuclear and specific energy dependence

Taguchi, Mitsumasa; Kojima, Takuji

JAERI-Review 2003-033, TIARA Annual Report 2002, p.141 - 142, 2003/11

no abstracts in English

Journal Articles

Development of metal adsorbent with radiation induced graftpolymerization

Tamada, Masao

Oyo Butsuri, 72(4), p.453 - 456, 2003/04

https://ci.nii.ac.jp/naid/80015878539

Radiation induced graft-polymerization is sophisticated technique which is capable of introducing aiming functions into conventional polymers. Especially, pre-irradiation method is available for industrialization owing to discrete processes of irradiation and grafting. The chelate adsorbents having high selectivity against metals were synthesized by the graft-polymerization. The recovery of uranium from seawater and the removal of toxic metals from wastewater were described as applicable examples of the graft adsorbents.

Journal Articles