Monatshefte für Chemie / Chemical Monthly

, Volume 108, Issue 4, pp 791–798 | Cite as

Gewinnung und Verhalten der Amalgame der Metalle der IVa- bis VIa-Gruppe

  • Gerhard Jangg
Anorganische, Struktur- und Physikalische Chemie

Production and behaviour of the amalgams of the IV a-, V a-, and VI a group metals

Abstract

The usual methods for the production of amalgams—dissolving of metals in mercury, or electrolytic deposition on mercury—are not suitable for the preparation of amalgams of transition metals. However amalgams of the transitions elements can be prepared by reduction of their dry halides with sodium amalgam. These amalgams are unstable against aqueous solutions under oxidising conditions and decompose by dewetting of the suspended metal particles. The stability can be improved by addition of components, e.g. oxalic acid or HF to the solution, which prevent the formation of oxide layers on the dewetted metal particles. By using such solutions in processing the reaction products of the halides with sodium amalgam the amalgams of the transition elements can be obtained without decomposition.

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Copyright information

© Springer-Verlag 1977

Authors and Affiliations

  • Gerhard Jangg
    • 1
  1. 1.Institut für Chemische Technologie anorganischer StoffeTechnische Universität WienWienÖsterreich

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