| A fiber optic fluorescence sensor for lithium ion in acetonitrile | |
| Qin Wei ; Obare SO ; Murphy CJ ; Angel SM. | |
| 发表期刊 | Analytical Chemistry
 |
| 2002-09 | |
| 卷号 | 74期号:18页码:4757-4762 |
| 产权排序 | Univ S Carolina, Dept Chem & Biochem, Columbia, SC 29208 USA |
| 通讯作者 | Angel, SM (通讯作者),Univ S Carolina, Dept Chem & Biochem, Columbia, SC 29208 USA |
| 英文摘要 | A novel fiber-optic fluorescence sensor based on a controlled-release reagent for the determination of lithium ion in organic solvents is proposed. The fluorogenic indicator 2-(2-hydroxyphenyl)benzoxazole is contained in a mini-polyethylene tube as the reagent reservoir and is brought into contact with the analyte solution by diffusion across a poly(vinyl chloride) (PVC) membrane to form a strongly fluorescent complex at the membrane/solution interface. The fluorescence signals produced are measured via two joined optical fibers positioned closely to the backside of the PVC membrane for light illumination and collection. The sensor is useful for measuring Li+ at concentrations in acetonitrile ranging from 1.0 x 10(-6) to 1.0 x 10(-2) M with a detection limit of 3.0 x 10(-7) M. The steady-state response can be reached within seconds, and the signal changes are fully reversible. The sensor shows minimal interference effects from other alkali metal and alkaline earth metal cations and has good stability and durability when stored in acetonitrile solutions. |
| 收录类别 | SCI |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.yic.ac.cn/handle/133337/5163 |
| 专题 | 科研共享资源 中国科学院海岸带环境过程与生态修复重点实验室 |
| 推荐引用方式 GB/T 7714 | Qin Wei,Obare SO,Murphy CJ,et al. A fiber optic fluorescence sensor for lithium ion in acetonitrile[J]. Analytical Chemistry,2002,74(18):4757-4762. |
| APA | Qin Wei,Obare SO,Murphy CJ,&Angel SM..(2002).A fiber optic fluorescence sensor for lithium ion in acetonitrile.Analytical Chemistry,74(18),4757-4762. |
| MLA | Qin Wei,et al."A fiber optic fluorescence sensor for lithium ion in acetonitrile".Analytical Chemistry 74.18(2002):4757-4762. |
| 条目包含的文件 | ||||||
| 文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
| A fiber optic fluore（215KB） | 限制开放 | 使用许可 | 请求全文 | |||
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。
修改评论