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题名: Small-volume fiber-optic evanescent-wave absorption sensor for nitrite determination
作者: Xiong, Yan1;  Zhu, Dao-qian1;  Duan, Chun-feng1;  Wang, Jian-wei1;  Guan, Ya-feng1
通讯作者: 关亚风
关键词: Fiber-optic sensor ;  Nitrite determination ;  Evanescent wave ;  Small volume
刊名: ANALYTICAL AND BIOANALYTICAL CHEMISTRY
发表日期: 2010
DOI: 10.1007/s00216-009-3246-2
卷: 396, 期:2, 页:943-948
收录类别: SCI ;  ISTP
文章类型: Article
部门归属: 1
项目归属: 105
产权排名: 1;1
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Biochemical Research Methods ;  Chemistry, Analytical
研究领域[WOS]: Biochemistry & Molecular Biology ;  Chemistry
英文摘要: A novel small-volume fiber-optic evanescent-wave absorption sensor based on the Griess-Ilosvay reaction has been developed and evaluated for nitrite determination. The sensor was constructed by inserting a decladded optical fiber into a transparent capillary to form an annular column microchannel. The Evanescent wave (EW) field produced on the optical fiber core surface penetrated into the surrounding medium and interacted with the azo dye, which was generated by the reaction of nitrite and nitrite-sensitive reagents. The detector was designed to be parallel to the axis of the optical fiber. The defined absorbance was linear with the concentration of nitrite in the range from 0.05 to 10 mg L(-1), and the detection limit was 0.02 mg L(-1) (3 sigma) with the relative standard deviation (RSD) of 2.6% (n=8). The present sensor was successfully used to determine nitrite in real samples of mineral water, tap water, rain water, and seawater. The results were consistent with the data obtained by standard spectrophotometric method, showing potential of the proposed sensor for practical application.
关键词[WOS]: PERFORMANCE LIQUID-CHROMATOGRAPHY ;  WATER SAMPLES ;  NITRATE ;  SPECTROSCOPY ;  SYSTEM ;  IONS ;  TRACES ;  FILM
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000272910400042
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/102927
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, Dept Instrumentat & Analyt Chem, Dalian 116023, Peoples R China

Recommended Citation:
Xiong, Yan,Zhu, Dao-qian,Duan, Chun-feng,et al. Small-volume fiber-optic evanescent-wave absorption sensor for nitrite determination[J]. ANALYTICAL AND BIOANALYTICAL CHEMISTRY,2010,396(2):943-948.
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