淡江大學機構典藏:Item 987654321/19345
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    题名: The Analysis of Odorous Sulfur Compounds in Air by Solid Adsorbent Preconcentration and PTV Thermal Desorption
    作者: 薛文發;Sye, Wen-fa;周文相;Jou, Wen-suiang
    贡献者: 淡江大學化學學系
    关键词: Temperature Programmed Thermal Desorption;Sulfur Compound;Solid Adsorbent;Preconcentration;Gas Chromatography;溫度程序熱脫附法;硫化合物;固體吸附劑;預濃縮;氣體層析
    日期: 1993-10
    上传时间: 2013-07-29 13:44:40 (UTC+8)
    出版者: 臺北市:中國化學學會
    摘要: The programmed-temperature-vaporizing (PTV) injector has been developed as a thermal desorption chamber for simultaneous analysis of hydrogen sulfide (H/sub 2/S), methanethiol (CH/sub 3/SH), carbon disulfide (CS/sub 2/), dimethyl sulfide (DMS, CH/sub 3/SCH/sub 3/), and dimethyl disulfide (DMDS, CH/sub 3/SSCH/sub 3/). A trap employing the solid adsorbent Tenax-TA was used to enrich ambient levels of volatile sulfur compounds, then the sulfur gases were thermally released according to programmed temperature from the adsorbent trap and recollected in a column cooled with liquid nitrogen. The sulfur compounds were revolatilized and directly transferred to the system of capillary-column gas chromatography/flame-photometric detector for analysis . Analyses of environmental samples for the complete method of adsorption and temperature-programmed thermal desorption were successfully performed. The sulfur compounds known to cause nuisance odors in the air from various sulfur recovery and sewerage treatment works are compared.
    關聯: Journal of the Chinese Chemical Society=中國化學會會誌 40(5), pp.455-461
    DOI: 10.1002/jccs.199300072
    显示于类别:[化學學系暨研究所] 期刊論文

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