The influence of additive rare earths on ion carburization
β Scribed by Guoqing Li; Hua Jin
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 363 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0257-8972
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π SIMILAR VOLUMES
## Abstract The complexation of rareβearth ions __viz__. La(III), Pr(III), Nd(III), Sm(III), Gd(III) and Y(III) with thioformohydroxamic acid has been investigated potentiometrically at 30 Β± 1Β°C in a 70 per cent (v/v) dioxane/aqueous medium at 0.1 M ionic strength using the __BjerrumβCalvin__ titra
In an attempt todevclop a rapid, clean separation applicable to the lighter rare earths (La to Sm), the technique of high speed, centrifugal chromatography1 on ion-exchange papcra was investigated. rt was possible to separate completely the elements in any combination cxccpt the pair 1% and Nd. It