Study on Quantitative Analysis of Tris(3 sulfonatophenyl) Phosphine Sodium Salt Hydrate Using 1H-NMR and 31P-NMR

梁春杰; 孟庆春; 徐晓婷; 柴晓飞; 董昭苹; 吕印美; 王岳华; 蔡颖辉

doi:doi：10.3969/j.issn.1004-4957.2020.08.012

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Study on Quantitative Analysis of Tris(3 sulfonatophenyl) Phosphine Sodium Salt Hydrate Using 1H-NMR and 31P-NMR

更新时间：2023-04-18

- Study on Quantitative Analysis of Tris(3 sulfonatophenyl) Phosphine Sodium Salt Hydrate Using 1H-NMR and 31P-NMR
- Vol. 39, Issue 8, Pages: 1018-1022(2020)
- 作者机构：
  
  黄河三角洲京博化工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：doi：10.3969/j.issn.1004-4957.2020.08.012
  CLC：
- Published：2020
- 稿件说明：
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梁春杰, 孟庆春, 徐晓婷, 柴晓飞, 董昭苹, 吕印美, 王岳华, 蔡颖辉. Study on Quantitative Analysis of Tris(3 sulfonatophenyl) Phosphine Sodium Salt Hydrate Using 1H-NMR and 31P-NMR[J]. 2020, 39(8): 1018-1022.
DOI：

梁春杰, 孟庆春, 徐晓婷, 柴晓飞, 董昭苹, 吕印美, 王岳华, 蔡颖辉. Study on Quantitative Analysis of Tris(3 sulfonatophenyl) Phosphine Sodium Salt Hydrate Using 1H-NMR and 31P-NMR[J]. 2020, 39(8): 1018-1022. DOI： doi：10.3969/j.issn.1004-4957.2020.08.012.

摘要

该文建立了三苯基膦三间磺酸钠(TPPTS)的核磁氢谱(1H-NMR)、核磁磷谱(31P-NMR)、定量分析方法。通过1H-NMR、13C-NMR、31P-NMR并结合1H-1H COSY、1H-13C、1H-13C HMBC对TPPTS的氢原子、碳原子以及磷原子的化学位移进行归属；氢谱定量选用三烷作内标、氘代N

N-二甲基甲酰胺(DMF-D7)作溶剂

磷谱定量选用KH2PO4作内标、氘代水(D2O-D2)作溶剂

通过对混合体系中各自旋核纵向弛豫时间（T1）的测定

为弛豫延迟时间(D1)的合理设置提供依据。以上两种方法对体系中TPPTS的定量分析结果分别为(58.72±0.21)%、(58.51±0.21)%

测定结果一致性高、平行性好

且检测过程无需待测组分的标准品

能实现TPPTS含量的快速准确测定。

Abstract

A method based on 1H-NMR and 31P-NMR was established for the quantitative analysis of tris(3 sulfonatophenyl) phosphine sodium salt hydrate(TPPTS).Through one dimensional 1H-NMR

13C-NMR

31P-NMR and two-dimensional 1H-1H COSY

1H-13C HSQC

1H-13C HMBC

the chemical shift of TPPTS including all the hydrogen atoms

carbon atoms and phosphorus atoms were assigned.Trioxane was selected as the internal standard compound while N

N-dimethylformamide-D7(DMF-D7) was used as solvent in the 1H-NMR test.Correspondingly

KH2PO4 and deuterium oxide(D2O-D2) were used in the 31P-NMR test.The pulse delay time(D1) of the mixing system was set reasonably based on results of the longitudinal relaxation time(T1) test.Quantitative analysis results of TPPTS by 1H-NMR and 31P-NMR were (58.72 ± 0.21)% and (58.51 ± 0.21)%

respectively

which are close and parallel.Meanwhile

there is no need for the standards of the samples to be detected in the process.Thus the rapid and effective determination of TPPTS in the mixing system could be realized.

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