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The Catalytic Activity of Thiourea and Thiourea Analogues in the Rearrangement of Maleic Acid to Fumaric Acid

✍ Scribed by Dr. W. Schliesser

Publisher: John Wiley and Sons
Year: 1962
Tongue: English
Weight: 115 KB
Volume: 1
Category: Article
ISSN: 0044-8249
DOI: 10.1002/anie.196203301

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✦ Synopsis

observed at ordinary temperatures only in the Li20-U205 system, it may be assumed that in this case stabilized U205 is present due to incorporation of very small amounts of LizO. With very low amounts of Liz0 (1 LizO: 15-20 U2O5), the lines of the hexagonal modification diverge in the direction of the lines of the orthorhombic a-U308 modification, and at the same time UO2.25 lines make their appearance in the Xray photograph. The compounds MgO.U205 and CdO.Uz05 crystallize in a fluorite-type lattice with statistical distribution of the cations

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