Separation of sulfur compounds in straight-run naphtha

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National Institute of Advanced Industrial Science and Technology, 1-1-1 Higashi, Tsukuba 305-8565, Japan [1 ]
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Bulletin of the Chemical Society of Japan | 2007年 / 80卷 / 11期
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Sulfur-containing compounds in straight-ran naphtha were separated from coexisting hydrocarbons by means of open-column chromatography. Elution with hexane was continued after outflow of saturated hydrocarbons in the original sample; and aromatic hydrocarbons eluted gradually without any accompanying sulfur-containing compounds. When aromatic hydrocarbons ceased to be observed in the effluent; hexane was changed to benzene. A mixture of thiophenes; disulfides; and thiols then began to elute; followed ultimately by a mixture of sulfides and thiacycloalkanes. The obtained sulfur-containing compounds contained very small amounts of hydrocarbons other than the elution solvent; and their mass spectra could be observed by means of gas chromatograph-mass spectrometry. © 2007 The Chemical Society of Japan;
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页码：2157 / 2160
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