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题名: Preparation of solid phase on stir bar for sorptive extraction by sol-gel method
作者: Liu, WM;  Wang, HW;  Guan, YF
关键词: sol-gel ;  solid phase microextraction ;  stir bar sorptive extraction ;  n-alkanes ;  polyaromatic hydrocarbons
刊名: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
发表日期: 2005
卷: 33, 期:1, 页:45-49
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: A sol-gel coating-method for the preparation of coating film on bars used in sorptive microextraction is described. The poly( dimethysiloane) (PDMS) is partially crosslinked with the sol-gel network, and the most. part is entangled within the network. Three step aging temperatures are applied for the sol-gel coating layer to avoid caking of the film. The thickness of extraction phase is 30 mum, and can be increased by way of multi-coating. The extraction phase prepared by using the improved coating technology shows good thermal stability up to 300degreesC. The analyses of spiked aqueous samples containing n-alkanes or polyaromatic hydrocarbons, were carried out by using the sorptive bars and gas chromatography, which, demonstrated the applicability of the method.
关键词[WOS]: MICROCOLUMN-LIQUID-CHROMATOGRAPHY ;  CAPILLARY GAS-CHROMATOGRAPHY ;  MASS-SPECTROMETRY ;  AQUEOUS SAMPLES ;  WATER SAMPLES ;  MICROEXTRACTION ;  GC ;  HYDROCARBONS
语种: 英语
WOS记录号: WOS:000226805000011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139836
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116012, Peoples R China

Recommended Citation:
Liu, WM,Wang, HW,Guan, YF. Preparation of solid phase on stir bar for sorptive extraction by sol-gel method[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2005,33(1):45-49.
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