The importance of measuring the metal content of supported metal catalysts prepared by the sol–gel method

The metal loading of supported metal catalysts is often assumed to be equal to the designed or nominal value. However, this is often not the case. Although the focus of this paper is on supported noble metal catalysts prepared by the sol–gel method, discrepancies in actual metal loadings may also oc...

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Bibliographic Details
Published inApplied catalysis. A, General Vol. 172; no. 2; pp. 233 - 239
Main Authors Lambert, C.K, Gonzalez, R.D
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 14.09.1998
Elsevier
Subjects
Catalysis
Catalyst metal loading
Catalysts: preparations and properties
Chemistry
Exact sciences and technology
General and physical chemistry
Sol–gel processing
Supported metal catalysts
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Catalyst metal loading
Supported metal catalysts
Sol–gel processing
Mixed catalyst
Aerogel
Experimental study
Inductive coupling plasma spectrometry
Precursor
Silica
Supported catalyst
Heterogeneous catalysis
Rhodium
Platinum
Sol gel process
Tin
Xerogel
Platinoid
Alumina
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Summary:The metal loading of supported metal catalysts is often assumed to be equal to the designed or nominal value. However, this is often not the case. Although the focus of this paper is on supported noble metal catalysts prepared by the sol–gel method, discrepancies in actual metal loadings may also occur with catalysts prepared by traditional methods such as impregnation or ion exchange. Metal may be lost during catalyst preparation, drying, or pretreatment. For this reason, it is essential to measure the actual metal loading before proceeding with further analysis of catalytic properties.
ISSN:0926-860X
1873-3875
DOI:10.1016/S0926-860X(98)00128-8