Phase Analysis and Oxygen Storage Capaci
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Francesca Deganello; Antonino Martorana
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Article
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2002
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Elsevier Science
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English
⚖ 398 KB
Ceria+lanthana-based promoters of three-way catalysts are synthesized by two di4erent sol+gel routes, involving nitrate precursors. The oxygen uptake ability of these compounds is measured by O 2 chemisorption. The speci5c surface area is determined by N 2 adsorption (BET). X-ray di4raction data are