| 关于《电位滴定法测定磷酸浓度及其各级离解常数》实验原理及数据处理的改进 |
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| 引用本文： | 夏新泉,舒中英,徐斌.关于《电位滴定法测定磷酸浓度及其各级离解常数》实验原理及数据处理的改进[J].湖北师范学院学报(自然科学版),2004,24(4):101-104,111. |
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| 作者姓名： | 夏新泉 舒中英 徐斌 |
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| 作者单位： | 湖北师范学院,化学与环境工程系,湖北,黄石,435002 |
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| 摘 要： | 对原实验教材《电位滴定法测定磷酸浓度及其各级离解常数》实验的原理进行了探讨；提出了计算酸的各级离解常数的通式，使实验原理更简洁明了；考虑离子强度的影响，采用Orisin，Excel软件处理实验数据，简化了计算，使结果更准确。
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| 关 键 词： | 电位滴定 离解常数 数据处理 |
| 文章编号： | 1009-2714(2004)04-0101-04 |
Improvement in the experiment principle and the data processing about potentiometric titration determining concentration and dissociation constants of H3PO4 |
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| XIA Xin-quan,SHU Zhong-ying,XU Bin.Improvement in the experiment principle and the data processing about potentiometric titration determining concentration and dissociation constants of H3PO4[J].Journal of Hubei Normal University(Natural Science),2004,24(4):101-104,111. |
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| Authors: | XIA Xin-quan SHU Zhong-ying XU Bin |
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| Abstract: | A modification to a part of experiment principle is made and a common formula in calculating dissociation constants of acid is also inferred.Considering the infection of ionic strength,so as to get more exact the data.Appling Excel to the data processing makes the calculation easier. |
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| Keywords: | potentiometric titration dissociation constant data processing |
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