ORGANOSILVER RADICALS IN GAMMA-IRRADIATED AG-NAA ZEOLITE WITH METHANOL ADSORBATE

被引：14

作者：

WASOWICZ, T ^{[1
]}

MIKOSZ, J ^{[1
]}

SADLO, J ^{[1
]}

MICHALIK, J ^{[1
]}

机构：

[1] INST NUCL CHEM & TECHNOL,DEPT RADIAT CHEM & TECHNOL,DORODNA 16,PL-03195 WARSAW,POLAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 | 1992年 / 09期

关键词：

D O I：

10.1039/p29920001487

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Hydroxyalkyl silver radicals, Ag.CH2OH+ in gamma-irradiated Ag-NaA zeolites with adsorbed methanol have been studied by EPR spectroscopy. These adducts, for silver loadings greater than one Ag+ per unit cell, are formed directly after irradiation at 77 K. For lower Ag+ content they appear on annealing above 140 K. It is postulated that the Ag+ location in the zeolite lattice plays a crucial role in this process, and two different mechanisms of Ag-CH2OH+ formation are discussed depending on Ag+ location inside or outside a beta-cage.

引用

页码：1487 / 1491

页数：5

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