| 用盐桥作铂阴极隔离室的单池式库仑计测定痕量硫代硫酸钠的含量 |
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| 引用本文： | 董绍孚,赵常志,陈连山. 用盐桥作铂阴极隔离室的单池式库仑计测定痕量硫代硫酸钠的含量[J]. 辽宁师范大学学报(自然科学版), 1991, 0(4) |
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| 作者姓名： | 董绍孚 赵常志 陈连山 |
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| 作者单位： | 辽宁师范大学化学系，辽宁师范大学化学系，辽宁师范大学化学系 |
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| 摘 要： | 用盐桥直接作铂阴极隔离室,以防止电极产物影响库仑滴定,具有库仑池內阻小,制作简单的优点,测定结果的标准偏差σ=0.009,在pH=4的HAc-NaAc缓冲溶液中电流效率在99%以上,同时对库仑滴定条件:酸度、记时、稳流进行讨论.
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| 关 键 词： | 电分析化学 库仑滴定 硫代硫酸钠 |
Determination of Trace Amount of Sodium Thiosulfate by Using a Single Cell Coulometer with a Salt Bridge as a Separated Chamber for the Platinium Cathode |
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| Dong Shaofu Zhao Changzhi Chen Lianshan. Determination of Trace Amount of Sodium Thiosulfate by Using a Single Cell Coulometer with a Salt Bridge as a Separated Chamber for the Platinium Cathode[J]. Journal of Liaoning Normal University(Natural Science Edition), 1991, 0(4) |
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| Authors: | Dong Shaofu Zhao Changzhi Chen Lianshan |
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| Abstract: | A salt bridge was used as a separated chamber for the plalinium cathode to prevent the effect of the electrode products. The coulometer constituted in this way has a small cell volume and is easy to be assembled. The current effe-ciency determined with this coulometer at pH 4 in a HAc-Na Ac buffer solution is higher than 99%. The standard deviation is 0.009, Conditions for coulomefric titration was also discussed in the paper. |
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| Keywords: | electroanalytical chemistry coulomb's titration sodium thiosulfate |
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