| 库仑滴定法测定有机硅样品中的氮含量 |
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| 引用本文： | 谢择民 王清正. 库仑滴定法测定有机硅样品中的氮含量[J]. 分析化学, 1993, 21(2): 206-208 |
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| 作者姓名： | 谢择民 王清正 |
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| 作者单位： | 中国科学院化学研究所，中国科学院化学研究所，中国科学院化学研究所，中国科学院化学研究所，中国科学院化学研究所，中国科学院化学研究所 北京 100080，北京 100080，北京 100080，北京 100080，北京 100080，北京 100080 |
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| 摘 要： | 本文利用库仑滴定法研究了高分子和低分子硅氮化合物及含氮有机硅样品中氮含量的测定,并研究和讨论了影响测定结果准确性的因素。
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| 关 键 词： | 库仑滴定 氮 有机硅 |
Determination of the Amount of Nitrogen in Organosilicon Samples by Coulometric Titration |
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| Xie Zemin,Wang Qingzheng,Peng Libing.Zheng Jun.Yao Yanbin,Li Guangliang. Determination of the Amount of Nitrogen in Organosilicon Samples by Coulometric Titration[J]. Chinese Journal of Analytical Chemistry, 1993, 21(2): 206-208 |
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| Authors: | Xie Zemin Wang Qingzheng Peng Libing.Zheng Jun.Yao Yanbin Li Guangliang |
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| Abstract: | A method for determining the amount of nitrogen in high or low molecular weight silicon-nitrogen compounds and silicone rubber containing silicon-nitrogen compounds by coulometric titration was described. Organosilicon sample was decomposed in 1 mol/L H2SO4 for at least 2 h. Then,the sample solution containing NH7 was accurately titrated in the buffer solution of 0. 075 mol/L Na2B4O7-1- 5 mol/L KBr. The sensitivity and precision of the titration were higher than those of the current elemental analysis. The factor influencing the accuracy of result was also investigated. |
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| Keywords: | Coulometric titration.Nitrogen .Organosilicon. |
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