| 四苯硼钠-尿酸为活性物质的pH电极的制备和应用 |
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| 引用本文： | 白钰,欧阳健明,林博,白燕,陈美銮.四苯硼钠-尿酸为活性物质的pH电极的制备和应用[J].化学世界,2003,44(10):529-531,528. |
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| 作者姓名： | 白钰 欧阳健明 林博 白燕 陈美銮 |
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| 作者单位： | 1. 暨南大学生物矿化与结石病防治研究所
2. 暨南大学化学系,广东,广州,510630 |
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| 基金项目： | 广东省重点攻关项目(C31401)，国家自然科学基金项目(20031010) |
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| 摘 要： | 以四苯硼钠-尿酸的缔合物为活性物质,制备了适合酸性范围内使用的PVC膜pH电极。此电极在pH1.0～7.0的范围内,对氢离子呈现很好的能斯特响应,电极斜率为50.5mV/pH。实验表明该电极具有良好的稳定性、重现性,将其用于饮料、自来水、人造尿液的测定,获得了满意结果。
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| 关 键 词： | 四苯硼钠 尿酸 pH电极 人造尿 |
| 文章编号： | 0367-6358(2003)10-0529-04 |
Preparation and Application of pH Electrode Using Sodium Tetraphenylborate-Uric Acid Ion Pair as Electroactive Material |
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| Abstract: | PVC membrane pH electrode was prepared using sodium tetraphenylborate uric acid ion pair as electroactive material and used in acidic condition. This electrode showed Nernstian response to H+ over the pH range of 1.0~7.0 with a slope of 50.5 mV/pH. Experiments indicated that the electrode has fair stability and reproducibility. It was successfully applied to the determination of beverage、tap water and artificial urine and satisfying results were attained. |
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| Keywords: | sodium tetraphenylborate uric acid pH electrode artificial urine |
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