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Nucleation of struvite (MgNH 4 PO 4 · 6 H 2 O) single crystals and aggregates
Author(s) -
Boistelle R.,
Abbona F.
Publication year - 1985
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170200204
Subject(s) - struvite , nucleation , magnesium , chemical engineering , crystallography , crystal (programming language) , phosphate , ion , surface tension , chemistry , materials science , crystallization , morphology (biology) , inorganic chemistry , mineralogy , metallurgy , thermodynamics , organic chemistry , geology , computer science , programming language , paleontology , physics , engineering
The conditions (concentration and p H) for preparation of single crystals of struvite at 25 °C from ammoniacal solutions equimolar with respect to magnesium and phosphate ions are given. The limits are found above which crystal aggregates (twins or dendrites) precipitate as dominant morphology. The mechanisms of nucleation are discussed and the interfacial tension between crystals and solution is evaluated.