Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Tameo Okumura"'
Publikováno v:
Journal of Environmental Chemistry. 14:99-107
本研究において, 環境中に存在する4種のtert-ブチルフェノール類の同時分析を行うための検討を進めた。その結果, 水質, 底質, 生物試料においてGC/MSで測定する方法を確立した。水質試料
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01d8cadaf9a1547bf50678e84fcd48c5
https://doi.org/10.5985/jec.14.99
https://doi.org/10.5985/jec.14.99
Autor:
Makoto Nagase, Tameo Okumura, Akio Yasuhara, Masataka Nishikawa, Hiroaki Shiraishi, Hiroshi Fukui, Osami Nakasugi, Takashi Yamamoto, Katashi Kenmotsu, Yasunori Kawagoshi
Publikováno v:
Waste Management and Research. 17:186-197
Organic compounds and inorganic elements were determined in leachates from 11 landfill sites in Japan. With regard to the inorganic elements, the concentration of boron was found to be fairly high. More than 100 organic compounds were detected and se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48591026da6ed396cbb328d61c71c6c5
https://doi.org/10.1034/j.1399-3070.1999.00038.x
https://doi.org/10.1034/j.1399-3070.1999.00038.x
Autor:
Takashi Uehiro, Hiroshi Fukui, Tameo Okumura, Takashi Yamamoto, Osami Nakasugi, Hiroaki Shiraishi, Akio Yasuhara, Yukio Noma, Makoto Nagase, Kenzo Baba, Yasunori Kawagoshi, Masataka Nishikawa, Yusaku Ono, Katashi Kenmotsu
Publikováno v:
Journal of Chromatography A. 774:321-332
This investigation was aimed at detecting the presence of several organic substances in landfill leachates in Japan. Approximately 190 compounds were detected using several analytical methods. High amounts of organic phosphates and phthalates were de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09bbc415e53bcbf3855967e1e7866631
https://doi.org/10.1016/s0021-9673(97)00078-2
https://doi.org/10.1016/s0021-9673(97)00078-2
Publikováno v:
Talanta. 44:649-656
Methods were developed to determine traces of 4,5,6,7-tetrachlorophthalide (fthalide) and 1,4,5,6,7,8,8-heptachloro-2,3-epoxy-2,3,3a,7a-tetrahydro-4,7-methanoindene (heptachlor epoxide) in environmental samples such as river water, sediment and fish.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4982eb5fd6b34a9c32836a8b26443192
https://doi.org/10.1016/s0039-9140(96)02097-8
https://doi.org/10.1016/s0039-9140(96)02097-8
Publikováno v:
Journal of AOAC INTERNATIONAL. 80:102-108
Traces of decabromobiphenyl ether (DBBE) in water and sediment were determined by capillary gas chromatography with electron capture detection. Rapid sample preparation techniques such as disk-type C18 solid-phase extraction and cartridge- type Flori
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca1527f8097484462e06149a1215c152
https://doi.org/10.1093/jaoac/80.1.102
https://doi.org/10.1093/jaoac/80.1.102
Autor:
Tameo Okumura, Yoshinori Nishikawa
Publikováno v:
Analytica Chimica Acta. 325:175-184
Traces of 2,4,4'-trichloro-2'-hydroxydiphenyl ether (triclosan) and its 3-chlorinated derivatives in environmental samples were determined by capillary GC-MS with selected ion monitoring via methylation with diazomethane involving liquid-liquid extra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5958477505eee0a14f65a2095350a708
https://doi.org/10.1016/0003-2670(96)00027-x
https://doi.org/10.1016/0003-2670(96)00027-x
Publikováno v:
Journal of Chromatographic Science. 34:190-198
Traces of aniline and its methyl, methoxyl, and chloro derivatives in river water, sediment, and fish samples were determined by capillary gas chromatography–mass spectrometry after liquid–liquid extraction and steam distillation. Anilines in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d9a6cc0f5e2fc78755c97c7255cde5c
https://doi.org/10.1093/chromsci/34.4.190
https://doi.org/10.1093/chromsci/34.4.190
Autor:
Tameo Okumura, Yoshinori Nishikawa
Publikováno v:
Journal of Chromatography A. 709:319-331
Traces of fourteen organophosphorus pesticides in environmental samples such as river water, sediment and fish were determined by capillary GC-MS with selected-ion monitoring. The pesticides could be determined within the range 0.02–0.75 ng/ml in w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4640d22e039ed020e8f1cfce8e5a1031
https://doi.org/10.1016/0021-9673(95)00477-5
https://doi.org/10.1016/0021-9673(95)00477-5
Autor:
Tameo Okumura, Yoshinori Nishikawa
Publikováno v:
Analytica Chimica Acta. 312:45-55
Traces of 10 nitrobenzenes in environmental samples such as river water, sediment and fish were determined by capillary gas chromatography-mass spectrometry (GC-MS) involving liquid-liquid extraction, steam distillation and column clean up procedures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29b9c6a0400c2139db8445d77dd22143
https://doi.org/10.1016/0003-2670(95)00201-a
https://doi.org/10.1016/0003-2670(95)00201-a
Autor:
Tameo Okumura, Yoshinori Nishikawa
Publikováno v:
Journal of Chromatography A. 690:109-118
A method for the determination of nitrolotriacetic acid (NTA) and ethylenediaminetetraacetic acid (EDTA) in environmental samples such as river water and sediment is reported. An aqueous sample, after evaporation to dryness, was treated with a boron
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86ec36a4cfa89fe9271bc3d2426547a7
https://doi.org/10.1016/0021-9673(94)00919-z
https://doi.org/10.1016/0021-9673(94)00919-z