A Problem in the Determination of Trihalomethane by Headspace-Gas Chromatography/Mass Spectrometry

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概要

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• The formation of trihalomethane (THM) from 37 organohalogen compounds, disinfection by-products, was measured by the headspace-gas chromatography/mass spectrometry(GC/MS)method. Among these 37 organohalogen compounds, 10,including trichloroacetones, trihaloacetonitriles and trihaloacetic acids, produced THMs upon heating of aqueous solutions at 60℃ for 30 min in a headspace sampler. The amounts and composition of THMs produced by heating depended on the position and number of the bound chlorine or bromine. In addition, the production of THMs from some of the organohalogen compounds upon heating was strongly affected by pH, temperature and heating duration. These results suggest that the headspace-GC/MS method overestimates the net concentration of THM due to positive errors.

• 公益社団法人日本薬学会の論文
• 2003-02-01

著者

• Takahashi Y

  Osaka University

• Onodera Sukeo

  Faculty of Pharmaceutical Sciences, Tokyo University of Science

• Takahashi Yasuo

  Graduate School Of Information Science And Technology Hokkaido Univ.

• Morita M

  National Inst. Environmental Studies Tsukuba

• Morita Masatoshi

  National Institute For Environmental Studies

• Morita M

  Endocrine Disruptors And Dioxin Research Projects National Institute For Environmental Studies

• Terao Yoshiyasu

  Graduate School of Nutritional and Environmental Sciences, University of Shizuoka

• Onodera S

  Faculty Of Pharmaceutical Sciences Tokyo University Of Science

• Onodera Sukeo

  Faculty Of Pharmaceutical Science Science University Of Tokyo

• Onodera Sukeo

  Department Of Hygiene Chemistry Faculty Of Pharmaceutical Sciences Science University Of Tokyo

• Morita M

  Endocrine Disrupters Research Laboratory National Institute For Environmental Studies

• Takahashi Yasuo

  The Tokyo Metropolitan Research Laboratory Of Public Health:graduate School Of Nutritional And Envir

• Terao Yoshiyasu

  Institute For Environmental Sciences And Coe Program In The 21th Century University Of Shizuoka

• Terao Yoshiyasu

  Graduate School Of Nutritional & Environmental Sciences University Of Shizuoka

• Takahashi Yasuo

  Faculty Of Pharmaceutical Sciences Tokyo University Of Science

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