| PBTC工业产品的核磁共振分析 |
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| 引用本文： | 王京,贺瑜玲,黄蔚霞,周涵,庞如振.PBTC工业产品的核磁共振分析[J].分析测试学报,2000,19(6):38-41. |
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| 作者姓名： | 王京 贺瑜玲 黄蔚霞 周涵 庞如振 |
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| 作者单位： | 1. 中国石油化工集团公司石油化工科学研究院,北京,100083
2. 中国石油化工集团公司水处理药剂评定中心,北京,102550 |
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| 摘 要： | 采用多种核磁共振技术测定了一种重要有机膦酸－２－膦酰基丁烷－１，２，４－三羧酸（ＢＴＣ）的分子结构，发现其分子中至少存在着２对不等价同碳质子；测取了分子中各磁性核之间的偶合常数，并依靠这些数据解释了有关谱峰的形状特点；归属了ＰＢＴＣ工业产品的中的杂质峰，并解释了ＰＢＴＣ各谱峰随浓度改变而发生位移的原因。
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| 关 键 词： | 腾酰基丁烷－－三羟酸 核磁共振 分析 PBTC |
NMR Analysis of Industrial PBTC Product |
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| WANG Jing,HE Yu-ling,HUANG Wei-xia,ZHOU Han,PANG Ru-zhen.NMR Analysis of Industrial PBTC Product[J].Journal of Instrumental Analysis,2000,19(6):38-41. |
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| Authors: | WANG Jing HE Yu-ling HUANG Wei-xia ZHOU Han PANG Ru-zhen |
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| Abstract: | The molecular structure of PBTC (2-phosphonobutane- 1, 2, 4-tricarhoxylic acid), was deter- mined by using diverse NMR techniques. It has been found that there are at least two pairs of unequal protons connected with the same carbon atom in PBTC molecule. The coupling constants between mag- netical nuclei were measured, by which the related peaks' shape was explained. The peaks of impurities in industrial PBTC product were assigned and the reason why the peaks of PBTC shift with its concentration change was given. |
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| Keywords: | PBTC NMR Chemical shift Coupling constant Molecular structure Impurity |
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