Proton NMR studies on concentrated aqueous sulfuric acid solutions and Nafion-H

被引：26

作者：

Batamack, P ^{[1
]}

Fraissard, J ^{[1
]}

机构：

[1] Univ Paris 06, Lab Chim Surfaces, CNRS, URA 1428, F-75252 Paris 05, France

来源：

CATALYSIS LETTERS | 1997年 / 49卷 / 3-4期

关键词：

sulfuric acid; Nafion-H; acidity; hydronium ions; H-1; NMR;

D O I：

10.1023/A:1019077910277

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Sulfuric acid containing limited amounts of water, H2SO4 . nH(2)O with 0.23 less than or equal to n less than or equal to 4, has been studied by H-1 broad-line NMR at 4 K and MAS NMR at room temperature. The broad-line NMR spectra indicate the formation of H3O+ and HSO4- ions. H2SO4 . 2H(2)O is correctly written as H3O+HSO4-. H2O. The results are compared with the Nafion-H/water system.

引用

页码：129 / 136

页数：8

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