家庭用簡易浄水器処理による水道水中の揮発性有機化合物濃度の変化 : GC/MS法による検討

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We investigated the pollution due to twenty-three volatile organic compounds (VOCs) in a drinking water sample measuring by gas chromatograph-mass spectrometry. The detectable concentrations were in eight VOCs (Chloroform, 1,1,1-Trichloroethane, 1,2-Dichloroethane, Bromodichloromethane, cis-1,3-Dichloropropene, 1,1,2-Trichloroethane, Dibromochloromethane and 1,4-Dichlorobenzene) at 24.5μg/l as Chloroform to 1.0μg/l as 1,4-Dichlorobenzene. The detectable chemical compounds might have been produced by chlorination. For the purpose of removal of VOCs from drinking water, two treatments by using a water purifier attached two type cartridges (one was the type of trihalomethane removal and another was the chlorine removal) were done. The results were as follows; the trihalomethane was removed until 600 litters filtrated water samples and the appearance was remarkably in the water samples from the trihalomethane removal cartridge.
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