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A test for the development of protonic acidity in alumina at elevated temperatures

✍ Scribed by Helmut Knözinger; Carsten-Peter Kaerlein

Book ID
113174437
Publisher
Elsevier Science
Year
1972
Tongue
English
Weight
261 KB
Volume
25
Category
Article
ISSN
0021-9517

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Samples of a high-temperature superconductor YBa2Cu307-= (orthorhombic phase) showed no significant weight loss in nitrogen up to 1173 K; however, differential thermal analysis measurements show that restructuring/decomposition begins around 1121 K. No reaction with alumina was found after prolonged