Effects of magnesium and temperature control on aragonite crystal aggregation and morphology (CROSBI ID 238908)
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Podaci o odgovornosti
Fermani, Simona ; Njegić Džakula, Branka ; Reggi, Michela ; Falini, Giuseppe ; Kralj, Damir
engleski
Effects of magnesium and temperature control on aragonite crystal aggregation and morphology
In this study, the influence of Mg2+ on the aggregation and morphology of precipitated aragonite crystals is investigated at different temperatures. Different from some investigations described in the literature, aragonite precipitates in chemical systems in which Mg2+ acts specifically as crystal habit modifiers and not as polymorphic selectors. The results show that at increased Mg2+ concentration and temperature the aragonite crystals are less aggregated and that the amount of crystals sharing {; ; 110}; ; faces and having larger extension of {; ; 001}; ; faces increases. These outcomes may be relevant in biological, geochemical and technological contexts.
aragonite ; morphology ; aggregation ; magnesium ; temperature
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