| ~(13)C NMR谱研究几种有机酸与硅溶胶表面硅羟基的作用 |
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| 引用本文： | 王金晞,贾向东,柳海澄,陈荣三.~(13)C NMR谱研究几种有机酸与硅溶胶表面硅羟基的作用[J].南京大学学报(自然科学版),1987(2). |
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| 作者姓名： | 王金晞 贾向东 柳海澄 陈荣三 |
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| 作者单位： | 南京大学配位化学研究所，南京大学配位化学研究所，南京大学配位化学研究所，南京大学配位化学研究所 |
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| 摘 要： | 在几种有机酸和硅溶胶的表面硅羟基作用时,测定了碳原子的自旋晶格弛豫时明,发现这些有机酸的pK_a越大,则和表面硅羟基的反应也越强。
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| 关 键 词： | 硅溶胶 有机酸 表面硅羟基NMR谱 |
STUDY OF THE REACTION OF SEVERAL ORGANIC ACIDS WITH SURFACE SILANOL GROUP OF SILICA SOL BY ~(13)C NMR SPECTROSCOPY |
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| Wang Jinxi Jia Xiangdong Liu Haicheng Chen Rongsan Coordination Chemistry Institute.STUDY OF THE REACTION OF SEVERAL ORGANIC ACIDS WITH SURFACE SILANOL GROUP OF SILICA SOL BY ~(13)C NMR SPECTROSCOPY[J].Journal of Nanjing University: Nat Sci Ed,1987(2). |
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| Authors: | Wang Jinxi Jia Xiangdong Liu Haicheng Chen Rongsan Coordination Chemistry Institute |
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| Institution: | Wang Jinxi Jia Xiangdong Liu Haicheng Chen Rongsan Coordination Chemistry Institute |
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| Abstract: | The spin-lattice relaxation time T_1 of several organic acids have been determined when they reacted with a surface silanol group of silica sol. It was found that the greater the pK_a of those organic acids, the stronger the reaction with the surface-silanol group. |
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| Keywords: | Silica Sol Organic Acid Surface Silanol Group NMR Spectroscopy |
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