Creation of calcite hollow microspheres with attached bundles of aragonite needles | Zendy

Tang Hua | Zendy; Yu Jiaguo | Zendy; Zhao Xiufeng | Zendy; Ng Dickon H. L. | Zendy

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Creation of calcite hollow microspheres with attached bundles of aragonite needles

Author(s) -

Tang Hua,

Yu Jiaguo,

Zhao Xiufeng,

Ng Dickon H. L.

Publication year - 2008

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.200711081

Subject(s) - aragonite , calcite , superstructure , aqueous solution , precipitation , microsphere , chemistry , morphology (biology) , chemical engineering , molar ratio , mineralogy , polymer chemistry , crystallography , materials science , organic chemistry , catalysis , geology , paleontology , oceanography , physics , meteorology , engineering

Novel calcite hollow microspheres attached with bundles of aragonite needles have been synthesized via a simple precipitation reaction of aqueous solutions of CaClB 2B and NaB 2B COB 3B in the presence of MgP 2+P ions at room temperature. The experimental results revealed that an appropriate molar ratio of [MgP 2+P ]/[CaP 2+P ], pH value of the solution and aging time are crucial for the formation of the unusual hierarchical CaCOB 3B superstructure. A possible growth mechanism is proposed. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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