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KMID : 1059520080520020164
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Journal of the Korean Chemical Society
2008 Volume.52 No. 2 p.164 ~ p.168
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Synthesis of CaWO4 by a Microemulsion Method
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Ryu Eun-Kyoung
Huh Young-Duk
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Abstract
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CaWO4 crystals were synthesized by a microemulsion method. Various sizes and shapes of CaWO4 were obtained by changing the molar ratio (w) of H2O to CTAB. At w=5 and 10, oval CaWO4 crystals with length of 100 nm and 500 nm were obtained, respectively. At w=20, rod-like CaWO4 crystal with length of 1 μm was obtained. The sphere CaWO4 crystal with length of about 2~3 μm was obtained at w=30. The CaWO4 crystal morphology changes from oval to sphere via a rod by aggregation with increasing the molar ratio of H2O to CTAB.
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KEYWORD
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CaWO4, Microemulsion
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