## Abstract The stability constants of 2, 2‐bis‐hydroxymethyl‐propionates of rare earths have been determined at ionic strength 0,100 (NaClO~4~) at 25.0°C by a potentiometric method. The ligand forms 1 : 1 and 1 : 2 complexes with all the rare earths and weak 1 : 3 complexes with light rare earths
Tris-hexafluoropropyl-2-ates de terres rares
✍ Scribed by A. Merbach; J.-P. Carrard
- Publisher
- John Wiley and Sons
- Year
- 1971
- Tongue
- German
- Weight
- 143 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0018-019X
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✦ Synopsis
Abstract
Tris‐hexafluoro‐2‐propoxides of yttrium, lanthanum, neodymium and erbium have been prepared, by the ammonia method, directly from the hydrated rare earth chlorides, dehydrated in situ by trimethyl orthoformate. The compounds are not volatile.
📜 SIMILAR VOLUMES
ler X 69) Summuvy. The stability constants of 2-furanccarboxylates and 2-thiophencarboxylates of some rare earths have been determined a t ionic strength 0.100 (NaC10,) a t 25.0"C by a potentiometric method. The ligands form 1 : 1 coniplexes similar t o the rare carths propionates.
## Abstract By reaction of hydrated rare earths chlorides (M = La, Nd, Sm, Gd, Dy, Er, Yb, Y) with orthoformates, the following adducts have been prepared: MCl~3~· 4MeOH, MCl~3~ ·3EtOH (M = La, Nd, Sm, Gd, Yb), MCl~4~ · 4 EtOH (M = Dy, Er, Y); adducts MCl~3~ · 3__iso__‐PrOH have been prepared by su