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Synthesis, structure and thermal decomposition of alinite

✍ Scribed by F.v. Lampe; W. Hilmer; K.H. Jost; G. Reck; A.I. Boikova


Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
306 KB
Volume
16
Category
Article
ISSN
0008-8846

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✦ Synopsis


Alinite was synthesized from CaCI~ fluxes containing MgO. Mg is essential and cannot b~ omitted. In contrast to the formula given by Ilyukhin et al. EPMA measurements revealed the composition Ca9.9Mgo. 800.3[Si3.4AI0.6016]01.9C11. 0 Spectroscopic and X-ray structure investigations favour the CaOA octahedra for substitution by Mg. [ro phase transformations were detected by DTA and X-raYodiffraction. The thermal decomposition begins at 1000 C, its rate depends strongly on the crystal size.


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La(CH 3 SO 3 ) 3 Β΄2 H 2 O was prepared by the reaction of La 2 O 3 with CH 3 SO 3 H. According to the X-ray single crystal determination, the compound crystallizes with triclinic symmetry (P 1, Z = 2, a = 524.99( 8), b = 1015.3(2), c = 1298.0(2) pm, a = 98.62(2)Β°, b = 91.12(2)Β°, c = 104.61(2)Β°, R al