[1]王小军,王东新.固相微萃取中的溶胶—凝胶聚二甲基硅氧烷萃取头的制备与使用[J].南京师范大学学报(工程技术版),2008,08(01):059-63.
　Wang Xiaojun,Wang Dongxin.The Preparation and Application of Sol-Gel PDMS Extraction Fiber in Solid-Phase Microextraction[J].Journal of Nanjing Normal University(Engineering and Technology),2008,08(01):059-63.
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固相微萃取中的溶胶—凝胶聚二甲基硅氧烷萃取头的制备与使用
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南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
08卷
期数:
2008年01期
页码:
059-63
栏目:
出版日期:
2008-03-30

文章信息/Info

Title:
The Preparation and Application of Sol-Gel PDMS Extraction Fiber in Solid-Phase Microextraction
作者:
王小军;王东新;
南京师范大学化学与环境科学学院, 江苏南京210097
Author(s):
Wang Xiaojun; Wang Dongxin
School of Chemistry and Environmental Science,Nanjing Normal University,Nanjing 210097,China
关键词:
固相微萃取;  气相色谱;  溶胶-凝胶
Keywords:
solid phase m icro ex traction;  gas chrom atography;  sol-gel
分类号:
O658.2
摘要:
固相微萃取(SPME)装置中采用溶胶-凝胶法制备了以端羟基聚二甲基硅氧烷(PDMS)为固定相的石英探针萃取头,此萃取头可在高达300℃以上的高温下使用,且对多种化合物都有良好的萃取效果.该装置与气相色谱联用,6次测定同一色谱峰面积的相对标准偏差不超过2.66%,而同样条件下保留时间测定的标准偏差不超过0.3%.实验证明该溶胶-凝胶萃取头的萃取量与商用萃取头相当,可在10~15 min内达到萃取平衡,解吸速度快,有较低的检出限,使用寿命长.
Abstract:
A so-l ge lm ethod is used to prepareOH-term inated po ly-d ime thy-l silox ane ( PDMS) extraction fibers for so lid phasem icroextraction ( SPME). These fibers can be used a t temperatu re as h igh as 300e and above. These fibers had ve ry good ex traction for var ious com pounds. SPME-GC measurem ents show that the re la tive standard dev iation ( RSD ) for the peak area is no tm ore than 2166% and theRSD for the retention tim e is notm o re than 013% on the sam e cond-i tions o fm easu rem ents fo r 6 m easurem en ts. The exper im ents a lso show that the ex traction amount o f the so-l ge l fiber is no less than that o f the comm erc ia l fiber. The equilib rium of ex traction o f the so-l ge l fiber can be reached w ithin 10~ 15 m inutes and it has very fast desorption. Besides, com pared w ith comm erc ia l fiber, the so-l ge l fibe r show low er detection lim its and longe r serv ice lifespan.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 王小军( 1981-) , 硕士研究生, 研究方向: 溶胶-凝胶色谱柱及固相微萃取等. E-m ail:w angxiaojun0910@ yah oo. com. cn
通讯联系人: 王东新( 1949-) , 副教授, 博士, 研究方向: 溶胶-凝胶色谱柱及固相微萃取等. E-m ail:dongxinw@ sohu. com
更新日期/Last Update: 2013-04-24