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Polarized light images of magnesium carbonate microhemispheres synthesized under temperature oscillation conditions.

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posted on 10.02.2014, 03:33 authored by Shihong Li, Zheng Jim Wang, Ting-Tung Chang

(A) Microhemispheres synthesized from a mixture of 240 mM MgAc2, pH 6.5 with 400 mM NaHCO3 (V/V, 1∶1) at T setting of 55°C for 6 h. (B) Microhemispheres synthesized from a mixture of 240 mM MgCl2 with 500 mM NaHCO3 (V/V, 1∶1) at T setting of 55°C for 6 h. (C) and (D) Fragments of microhemispheres synthesized from a mixture same as that of (B) at T setting of 55°C for 14 h and T setting of 50°C for 14 h, respectively.

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