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Issue 18, 2017
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Effects of magnesium and temperature control on aragonite crystal aggregation and morphology

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Abstract

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.

Graphical abstract: Effects of magnesium and temperature control on aragonite crystal aggregation and morphology

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Article information


Submitted
26 Jan 2017
Accepted
03 Apr 2017
First published
03 Apr 2017

CrystEngComm, 2017,19, 2451-2455
Article type
Communication

Effects of magnesium and temperature control on aragonite crystal aggregation and morphology

S. Fermani, B. Njegić Džakula, M. Reggi, G. Falini and D. Kralj, CrystEngComm, 2017, 19, 2451
DOI: 10.1039/C7CE00197E

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