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The crystallisation of alkaline‐earth metal tungstates (molybdates, chromates, and sulphates) from metal chloride melts
Author(s) -
Packter A.,
Roy B. N.
Publication year - 1971
Publication title -
kristall und technik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0023-4753
DOI - 10.1002/crat.19710060106
Subject(s) - crystallization , alkaline earth metal , lithium chloride , inorganic chemistry , chloride , solubility , chemistry , metal , alkali metal , lithium (medication) , crucible (geodemography) , crystal (programming language) , organic chemistry , medicine , computer science , programming language , endocrinology , computational chemistry
This paper presents studies on the crystallisation of alkaline‐earth metal tungstates, molybdates, chromates and sulphates by slow cooling of solutions in lithium chloride and alkaline‐earth metal chloride melts at 600° to 1100°C. Solubility — temperature diagrams were prepared for this temperature range. The effects of solute — solvent interaction, crystallisation temperature range and rate of cooling on crystal form and size were investigated. Final crystal size increases with reduced rate of cooling and with increasing crystallisation temperature; barium sulphate crystallisation from lithium chloride melt is anomalous.