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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/4179

    Title: Evaluation of Natural Porous Crab Shell Powder Used for the Enrichment of Sulfur Compounds from Gaseous Samples
    Authors: 薛文發;Sye, Wen-fa;陳彥均;Chen, Yen-Chun;吳尚霏;Wu, Shang-Fei
    Contributors: 淡江大學化學學系
    Keywords: Crab shell powders;Sulfur compounds;Natural gas;Flameless SCD
    Date: 2003-02-01
    Issue Date: 2009-03-19 13:21:44 (UTC+8)
    Publisher: 中國化學會
    Abstract: A glass liner of a PTV injector packed with porous crab shell powder (50-100 mesh) was used to enrich the trace concentrations of sulfur components in natural gas, then the sulfur gases were thermally released according to a programmed temperature from the crab shell powder trap and re-collected in a PLOT-column head cooled with liquid nitrogen. The sulfur compounds were revolatilized and directly transferred to the system of PLOT-column gas chromatography/flameless sulfur chemiluminescence detector for analysis. The characteristics of natural crab shell powder as an adsorbent have been presented. The sulfur gaseous compounds known to cause nuisance odors in natural gas were determined. The application of a porous crab shell powder trap for the analysis of sulfur compounds from gaseous samples has been proved to be useful.
    Relation: Journal of the Chinese chemical society 50(1), pp.73-79
    DOI: 10.1002/jccs.200300010
    Appears in Collections:[Graduate Institute & Department of Chemistry] Journal Article

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