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- W2087654316 abstract "The Brönsted acidity and catalytic activity of two series of silica-alumina catalysts have been measured. The Brönsted acidity was measured by means of the infrared spectrum of chemisorbed pyridine. Brönsted acid sites can be detected in silica-alumina containing 0.25% alumina. For a constant degree of cross-linking, the Brönsted acidity is proportional to the alumina content of the silica-alumina. For two series of silica-alumina catalysts, containing up to 14% alumina, there is a linear relationship between the Brönsted acidity and the catalytic activity for o-xylene isomerization. It is possible for catalysts to possess carbonium ion type activity while exhibiting no Brönsted acidity detectable by infrared spectroscopy." @default.
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- W2087654316 date "1969-02-01" @default.
- W2087654316 modified "2023-10-12" @default.
- W2087654316 title "The detection of acidity on silica-alumina catalysts by infrared spectroscopy?pyridine chemisorption Relationships between catalyst acidity and activity" @default.
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- W2087654316 doi "https://doi.org/10.1016/0021-9517(69)90387-x" @default.
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