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| 罗丹明B荧光猝灭法测定水中痕量亚氯酸根 | |
| 引用本文： | 康彩艳,蒋治良,奚旦立.罗丹明B荧光猝灭法测定水中痕量亚氯酸根[J].光谱学与光谱分析,2007,27(2):339-341. |
| 作者姓名： | 康彩艳 蒋治良 奚旦立 |
| 作者单位： | 1. 东华大学环境科学与工程学院，上海 200051 2. 广西师范大学环境与资源学院, 广西 桂林 541004 3. 桂林工学院材料与化学工程系，广西 桂林 541004 |
| 基金项目： | 广西自然科学基金 , 广西高校百名中青年科学带头人计划项目资助 |
| 摘 要： | 在有KI存在的乙酸钠-HCl酸性缓冲溶液中，用520 nm光激发罗丹明B(RhB)，在580 nm处有一个荧光峰。当有亚氯酸根(ClO-2)存在时，罗丹明B荧光峰发生猝灭。亚氯酸根浓度在0.021 8～0.51 μg·mL-1范围内与荧光猝灭强度成线性关系，据此建立了一个简便灵敏的亚氯酸根荧光分析新方法，用于测定合成水样中(ClO-2)的分析，结果令人满意。 |
| 关 键 词： | ClO-2 罗丹明B 荧光猝灭 |
| 文章编号： | 1000-0593（2007）02-0339-03 |
| 收稿时间： | 2005-12-01 |
| 修稿时间： | 2006-03-18 |
A Fluorescence Quenching Method for the Determination of Trace Chlorite in Water with Rhodamine B |
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| KANG Cai-yan,JIANG Zhi-liang,XI Dan-li.A Fluorescence Quenching Method for the Determination of Trace Chlorite in Water with Rhodamine B[J].Spectroscopy and Spectral Analysis,2007,27(2):339-341. | |
| Authors: | KANG Cai-yan JIANG Zhi-liang XI Dan-li |
| Institution: | 1. College of Environmental Science and Engineering, Donghua University, Shanghai 200051, China2. College of Environment and Resource, Guangxi Normal University, Guilin 541004, China3. Department of Material and Chemical Engineering, Guilin University of Technology, Guilin 541004, China |
| Abstract: | In acidic sodium acetate-HCl buffer solution containing KI, Rhodamine B (RhB) has a fluorescence peak at 580 nm. When ClO2(-) exists fluorescence quenching occur. The fluorescence quenching intensity is linear with the concentration of ClO2(-) in the range of 0.0218-0.51 microg x mL(-1). Based on this, a new, simple, sentisive fluorescence method has been proposed for the determination of ClO2(-) in water, with satisfactory results. |
| Keywords: | CIO2^- Rhodamine B Fluorescence quenching |
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