Evaluation of Natural Porous Crab Shell Powder Used for the Enrichment of Sulfur Compounds from Gaseous Samples

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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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