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| 微型涂丝膜pH传感器的研制 | |
| 引用本文： | 胡文慧,任霞,马长清,任恕,黄光英.微型涂丝膜pH传感器的研制[J].传感器与微系统,2007,26(2):73-75. |
| 作者姓名： | 胡文慧 任霞 马长清 任恕 黄光英 |
| 作者单位： | 1. 华中科技大学,同济医学院,药学院,湖北,武汉,430030 2. 华中科技大学,同济医学院,公共卫生学院,湖北,武汉,430030 3. 同济医院,中西医结合研究所,湖北,武汉,430030 |
| 摘 要： | 制备一种可供活体测量的针状微型pH传感器。以高纯度Pt丝为基体,PVC为载体,α—萘胺为活性物质,THF为溶剂制成涂丝H+离子选择性电极。该电极在pH=2~11范围内成良好的线性响应,平均响应斜率为48mV/pH,抗干扰能力强,相对标准偏差在2%以内,响应时间小于10 s。其针状结构在在体测量中应用方便。 |
| 关 键 词： | pH电极 α—萘胺 涂丝电极 传感器 |
| 文章编号： | 1000-9787（2007）02-0073-03 |
| 收稿时间： | 2006-08-12 |
| 修稿时间： | 08 12 2006 12:00AM |
Development on micro-type coated wire electrode pH sensor |
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| HU Wen-hui,REN Xia,MA Chang-qing,REN Shu,HUANG Guang-ying.Development on micro-type coated wire electrode pH sensor[J].Transducer and Microsystem Technology,2007,26(2):73-75. | |
| Authors: | HU Wen-hui REN Xia MA Chang-qing REN Shu HUANG Guang-ying |
| Affiliation: | 1. Department of Pharmaceutical Analysis, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; 2. Institute of Enviornmental Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; 3. Traditional and Western Medicine Research Center, Tongji Hospital, Wuhan 430030, China |
| Abstract: | A syringe needle pH sensor for in vivo measurement is studied.The H+ion-selective coated wire electrode is made of the matrix of simple metal,the carrier of PVC,the active substance of α-naphthylamine and solvent of THF.The electrode possesses a wide linear pH response range form 2 to 11,average slope of 48mV/pH,good stability and reproducibility,relative standard deviation is within 2% and response time is within 10s.The syringe needle structure is convenient to be used to monitor in vivo. |
| Keywords: | pH electrode α-naphthylamine coated wire electrode(CWE) sensor |
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