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Monatshefte für Chemie / Chemical Monthly

, Volume 125, Issue 8–9, pp 795–799 | Cite as

Anreicherung schwerer Yttererden aus Magnesiumnitrat-haltigen Lösungen durch basische Fällung mit MgO und fraktionierte Kristallisation der Nitrate in großem Maßstab

  • K. Rossmanith
Anorganische Und Physikalische Chemie

Enrichment of heavy yttrium earths from solutions containing magnesium nitrate by basic precipitation with MgO and fractional crystallisation of the nitrates in large quantities

Summary

Partial basic precipitation by magnesium oxide concentrates the heavy yttrium earths in the precipitate, while yttrium and the lighter earths remain in solution. On fractionating the above solutions by crystallisation of the nitrates, yttrium and the heavy yttrium earths concentrate in the solutions; this method seems better for the treatment of large quantities than the former one. From solutions containing 68.9 kg mixed yttrium earth oxides the heavy ones were concentrated to a great extent in 35.8 kg oxide.

Keywords

Basic precipitation, partial of yttrium earths Fractional crystallisation, of yttrium earth nitrates Heavy yttrium earths, concentration 

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Literatur

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    Rossmanith K. (1994) Monatsh. Chem.125: 479Google Scholar
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    Rossmanith K. (1994) Monatsh. Chem.125: 415Google Scholar

Copyright information

© Springer-Verlag 1994

Authors and Affiliations

  • K. Rossmanith
    • 1
  1. 1.Institut für Anorganische ChemieUniversität WienWienÖsterreich

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