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Takigami, Machiko; Arai, Hidehiko*; Hirota, Koichi; Taguchi, Mitsumasa; Hakoda, Teruyuki; Kojima, Takuji
Kankyo Kagaku, 14(1), p.13 - 23, 2004/03
The Japan Atomic Energy Research Institute undertook a pilot scale electron beam decompostion of dioxins in the flue gases from the municipal solid waste incinerator at the Takahama Clean Center. The conventional method, following the Japan Industrial Standards (JIS) method, takes 2 weeks at least to extract and purify dioxins from the flue gases for analysis by GC/MS. However, using a carbon adsorbent, the time required for the extraction of dioxins was shortened from 16 to 2.5 hours. Further improvements in the clean up process enabled the overall time to be reduced to less than a half of that rquired by the JIS method. Using this simplified method allows analysts, who are not practiced in the pretreatment of flue gases, to prepare samples for dioxin analysis by GC/MS. The sampling and pretreatment of the flue gases can, with this process, be completed within 4 days with accuracy comparable to JIS method.
-estradiol in waterKimura, Atsushi; Taguchi, Mitsumasa; Arai, Hidehiko*; Hiratsuka, Hiroshi*; Namba, Hideki; Kojima, Takuji
Radiation Physics and Chemistry, 69(4), p.295 - 301, 2004/03
Times Cited Count：26 Percentile：82.77(Chemistry, Physical)no abstracts in English
Hirota, Koichi; Hakoda, Teruyuki; Arai, Hidehiko; Hashimoto, Shoji
Radiation Physics and Chemistry, 65(4-5), p.415 - 421, 2002/11
Times Cited Count：25 Percentile：81.52(Chemistry, Physical)no abstracts in English
Hakoda, Teruyuki; Arai, Hidehiko; Hashimoto, Shoji
Journal of Chemical Engineering of Japan, 34(10), p.1300 - 1308, 2001/10
Times Cited Count：2 Percentile：25.13(Engineering, Chemical)The continuous gas monitoring system using the mass filter (CGM-MS) was developed for the measurement of gaseous substances in air under atmospheric pressure. A capillary tube introduces the gases under atmospheric pressure into a mass filter installed in a vacuum chamber. The CGM-MS detected gaseous substances, such as sulfur dioxide, benzene and chlorobenzene, with detectable sensitivity of 0.7-1 ppmv. The monitoring system was also applied for the analysis of the products formed in electron beam irradiation of trichloroethylene (TCE) and air mixture. Dichloroacetyl chloride, carbonyl chloride (COCl
), and chlorine (Cl) were quantitatively analyzed. Trichloroethylene and the products were oxidized and completely converted into carbon dioxide, Cl, and hydrochloric acid at 15 kGy. Carbonyl chloride is dissolved in an alkaline solution to be automatically oxidized into CO
and Cl
. The combination of the irradiation and the dissolution of the irradiated gas decreased to 7 from 15 kGy for the complete oxidation of TCE and the products.
Hirota, Koichi; Arai, Hidehiko; Hashimoto, Shoji
Bulletin of the Chemical Society of Japan, 73(12), p.2719 - 2724, 2000/12
Times Cited Count：7 Percentile：38.37(Chemistry, Multidisciplinary)no abstracts in English
Hashimoto, Shoji; Arai, Hidehiko
Denki Gakkai Gijutsu Hokoku, (810), p.46 - 50, 2000/10
no abstracts in English
Arai, Hidehiko
Denki Gakkai Gijutsu Hokoku, (810), p.56 - 58, 2000/10
no abstracts in English
Wahyuni, S.*; Hirota, Koichi; Hakoda, Teruyuki; Arai, Hidehiko; Hashimoto, Shoji; Kawamoto, Fumio*; Mukunoki, Yasuo*
Bulletin of the Chemical Society of Japan, 73(8), p.1939 - 1943, 2000/08
Times Cited Count：2 Percentile：16.96(Chemistry, Multidisciplinary)no abstracts in English
Arai, Hidehiko
Hoshasen Riyo Ni Okeru Saikin No Shimpo, p.183 - 192, 2000/06
no abstracts in English
Hashimoto, Shoji; Hakoda, Teruyuki; Hirota, Koichi; Arai, Hidehiko
Radiation Physics and Chemistry, 57(3-6), p.485 - 488, 2000/03
Times Cited Count：26 Percentile：82.67(Chemistry, Physical)no abstracts in English
Hirota, Koichi; Hakoda, Teruyuki; Arai, Hidehiko; Hashimoto, Shoji
Radiation Physics and Chemistry, 57(1), p.63 - 73, 2000/01
Times Cited Count：35 Percentile：88.42(Chemistry, Physical)no abstracts in English
Arai, Hidehiko
Hoshasen To Sangyo, (82), p.22 - 25, 1999/06
no abstracts in English
Arai, Hidehiko
Heisei-11-Nen Denki Gakkai Zenkoku Taikai Koen Rombunshu, p.S.1.1 - S.1.4, 1999/03
no abstracts in English
-ray irradiation combined with ozoneM.Lee*; Arai, Hidehiko; Miyata, Teijiro
Environmental Applications of Ionizing Radiation, p.341 - 351, 1998/00
no abstracts in English
A.N.M.Bagyo*; Arai, Hidehiko; Miyata, Teijiro
Applied Radiation and Isotopes, 48(2), p.175 - 181, 1997/00
Times Cited Count：17 Percentile：77.48(Chemistry, Inorganic & Nuclear)no abstracts in English
X.Huang*; Arai, Hidehiko; Matsuhashi, Shimpei; Miyata, Teijiro
Chemistry Letters, 0(2), p.159 - 160, 1996/00
no abstracts in English
X.Huang*; Arai, Hidehiko; Matsuhashi, Shimpei; Miyata, Teijiro
Chemistry Letters, 0(4), p.273 - 274, 1996/00
no abstracts in English
Arai, Hidehiko
Hoshasen To Sangyo, 0(69), p.36 - 37, 1996/00
no abstracts in English
Arai, Hidehiko; Namba, Hideki; Miyata, Teijiro; Arai, Michimasa; *; Sunaga, Hiromi
JAERI-Conf 95-003, 0, p.184 - 188, 1995/03
no abstracts in English
Arai, Hidehiko
Genshiryoku Kogyo, 41(7), p.36 - 40, 1995/00
no abstracts in English
