MEASUREMENT OF THE INTRACRYSTALLINE SELF-DIFFUSION OF XENON IN ZEOLITES BY THE NMR PULSED FIELD GRADIENT TECHNIQUE

被引：72

作者：

HEINK, W ^{[1
]}

KARGER, J ^{[1
]}

PFEIFER, H ^{[1
]}

STALLMACH, F ^{[1
]}

机构：

[1] KARL MARX UNIV,SEKT PHYS,LINNESTR 5,O-7010 LEIPZIG,GERMANY

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 1990年 / 112卷 / 06期

关键词：

D O I：

10.1021/ja00162a019

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

With use of 129Xe NMR, the NMR pulsed field gradient technique is applied to study the self-diffusion of xenon adsorbed on zeolites NaX, NaCaA, and ZSM-5. In their dependence on both the type of adsorbent and the sórbate concentration, the self-diffusion coefficients are found to follow the same patterns as previously determined for methane by 1H NMR. For NaCaA, the comparison of the present results with literature data reveals large discrepancies, while recent computer simulations of xenon self-diffusion in ZSM-5 are found to be in reasonable agreement. © 1990, American Chemical Society. All rights reserved.

引用

页码：2175 / 2178

页数：4

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