Etude de quelques composes Ln2Ge2O7 (Ln = La, Nd, Sm, Eu, Gd)
✍ Scribed by Geneviève Jouhet-Vetter; Francine Queyroux
- Book ID
- 113184707
- Publisher
- Elsevier Science
- Year
- 1975
- Tongue
- English
- Weight
- 190 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0025-5408
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
Most of the title compounds were prepared by reaction of the rare-earth metaperrhenates Ln(ReO 4 ) 3 with the rare-earth metals in sealed silica tubes. Nd 4 Re 6 O 19 was obtained by reaction of the intermetallic compound NdRe 2 with the metaperrhenate Nd(ReO 4 ) 3 . The compounds Ln 2 ReO 5 crystal
2 (tetragonal) (2). In the case of Ln ϭ Ce, group P3m1, with a and c parameters varying from 3.9442 to Ce 2 (CO 3 ) 3 и 8H 2 O was heated at 1273 K. For Ln ϭ Eu, 3.7812 A ˚and from 8.3609 to 8.2311 A ˚, respectively, as Ln atoms Eu 2 O 3 was calcined at 1023 K because the sample melted change from C