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≪Journal of Wuhan University (Natural Science Edition)≫ Vol. 50 No. 2, 2004 Abstract

≪Journal of Wuhan University (Natural Science Edition)≫ Vol. 50 No. 2, 2004 Abstract Appling radical cross-linked and sol-gel technique, a novel solid phase microextraction fiber with 3 r allylbenzo-15-crown-5 was successfully used to extract fenugreek concrete, volatile components were anal y z e d by G C / M S , and their relative contents determined by area normalization, 29 constituents were identified, which accounted for 9 1 . 4 5 M of concrete. 4-ethyl phenol, ethyl b u t y r a t e , dibutyl lJhthalate, 2 , 4 - b i s ( 1 , 1 - d i m e t h y l e t h y l ) p h e n o l , ethyl 9,12-octadecadienoate, dihydro-5-pentyl-2 ( 3 H ) f u r a n o n e , etc w e r e t h e major volatile components in the concrete . In S P M E experiments, T h e factors affecting quantitative results, including absorption time, absorption t e m p e r a t u r e , ionic strength and desorption time are discussed. Results obtained from different S P M E extraction fibers were also compared. S P M E with 80/~m crown ether fiber gave http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Wuhan University Journal of Natural Sciences Springer Journals

≪Journal of Wuhan University (Natural Science Edition)≫ Vol. 50 No. 2, 2004 Abstract

Wuhan University Journal of Natural Sciences , Volume 9 (3) – May 1, 2004
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Publisher
Springer Journals
Copyright
Copyright © 2004 by Springer
Subject
Mathematics; Mathematics, general; Computer Science, general; Physics, general; Life Sciences, general
ISSN
1007-1202
eISSN
1993-4998
DOI
10.1007/BF02907900
Publisher site
See Article on Publisher Site

Abstract

Appling radical cross-linked and sol-gel technique, a novel solid phase microextraction fiber with 3 r allylbenzo-15-crown-5 was successfully used to extract fenugreek concrete, volatile components were anal y z e d by G C / M S , and their relative contents determined by area normalization, 29 constituents were identified, which accounted for 9 1 . 4 5 M of concrete. 4-ethyl phenol, ethyl b u t y r a t e , dibutyl lJhthalate, 2 , 4 - b i s ( 1 , 1 - d i m e t h y l e t h y l ) p h e n o l , ethyl 9,12-octadecadienoate, dihydro-5-pentyl-2 ( 3 H ) f u r a n o n e , etc w e r e t h e major volatile components in the concrete . In S P M E experiments, T h e factors affecting quantitative results, including absorption time, absorption t e m p e r a t u r e , ionic strength and desorption time are discussed. Results obtained from different S P M E extraction fibers were also compared. S P M E with 80/~m crown ether fiber gave

Journal

Wuhan University Journal of Natural Sciences – Springer Journals

Published: May 1, 2004

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