| 用23Na、14N NMR方法测定Na+、NH4+与18-冠-6在水溶液中的络合平衡常数 |
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| 引用本文： | 毛希安,徐广智,沈其丰,鲁晓明,刘军. 用23Na、14N NMR方法测定Na+、NH4+与18-冠-6在水溶液中的络合平衡常数[J]. 波谱学杂志, 1986, 3(1): 9-14 |
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| 作者姓名： | 毛希安 徐广智 沈其丰 鲁晓明 刘军 |
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| 作者单位： | 1.中国科学际化学研究所, 北京;2.北京农业大学 |
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| 摘 要： | 用与Popov等不同的多核NMR化学位移方法测定了水溶液中Na+及NH4+与18-冠-6的络合平衡常数K分别为logK=0.72和logK=1.21。对实验方法、多核线宽等进行了讨论。
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| 收稿时间： | 1985-08-26 |
MEASUREMENTS OF FORMATION CONSTANTS OF[Na·18-Crown-6]+ AND[NH4·18-Crown-6]+ IN AQUEOUS SOLUTION BY 23Na AND 14N NMR METHOD |
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| Mao Xian,Xu Guangzhi,Shen Qifeng,Lu Xiaoming,Liu Jun. MEASUREMENTS OF FORMATION CONSTANTS OF[Na·18-Crown-6]+ AND[NH4·18-Crown-6]+ IN AQUEOUS SOLUTION BY 23Na AND 14N NMR METHOD[J]. Chinese Journal of Magnetic Resonance, 1986, 3(1): 9-14 |
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| Authors: | Mao Xian Xu Guangzhi Shen Qifeng Lu Xiaoming Liu Jun |
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| Affiliation: | 1.Institute of Chemistry, Academia Sinica, Beijing;2.Beijing Agricultural University |
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| Abstract: | 23Na 14N NMR chemical shifts were used to study Na+, NH4+ complexes with 18-Ciown-6 in aqueous Solutions. The formation constants for[Na·18-Crown-6]+ and[NH4·18-Crown-6]+ were determined using a new method which is different from that developed by Popoy.et.al. |
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