Premium
Characteristics of nickel ammonium sulphate crystals precipitated from aqueous solution
Author(s) -
Mullin J. W.,
Osman M. M.
Publication year - 1973
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.19730080703
Subject(s) - supersaturation , aqueous solution , solubility , stoichiometry , nickel , ammonium , yield (engineering) , materials science , inorganic chemistry , crystal (programming language) , ammonium sulfate , chemistry , metallurgy , organic chemistry , computer science , programming language
The main factors affecting the characteristics of precipitated nickel ammonium sulphate hexahydrate crystals from aqueous solution have been investigated. Over the range 20–35 °C, the crystal median size increases with temperature, but decreases with supersaturation. The size distribution is relatively unaffected by temperature, but becomes narrower at high supersaturations. The yield of crystalline precipitate is greatly increased when non‐stoichiometric ratios of reactants are employed due to the sharp decrease in the equilibrium solubility.