SYNTHESIS AND SPECTROSCOPIC CHARACTERIZATION OF PT AND PD SILICA SUPPORTED CATALYSTS

被引：22

作者：

LOPEZ, T ^{[1
]}

MORAN, M ^{[1
]}

NAVARRETE, J ^{[1
]}

HERRERA, L ^{[1
]}

GOMEZ, R ^{[1
]}

机构：

[1] INST MEXICANO PETR,MEXICO CITY 07730,DF,MEXICO

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1992年 / 147卷

关键词：

D O I：

10.1016/S0022-3093(05)80711-2

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Platinum and palladium silica supported catalysts were prepared by the sol-gel method using as metallic precursors the square planar complexes t[MCl2(NH3)2] with M = Pt or Pd. The catalysts were synthesized at pH = 3 and 9. If the preparation occurs in acid medium, the resulting solids show uniform microporous structure with BET areas > 500 m2/g. However, if the experiment is made in a basic medium, the resulting solids show non-homogeneous pore size distribution and BET areas < 100 m2/g.

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页码：753 / 757

页数：5

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