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首页> 外文期刊>Journal of Colloid and Interface Science >Structure transition from aragonite to vaterite and calcite by the assistance of SDBS
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Structure transition from aragonite to vaterite and calcite by the assistance of SDBS

机译：在SDBS的帮助下从文石转变为球v石和方解石

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摘要

Structure transition from aragonite to vaterite and calcite with the help of anionic surfactant sodium dodecyl benzene sulfonate (SDBS) was investigated, respectively, by a hydrothermal method. When the experimental temperature was controlled at 90 degrees C, aragonite of crystal calcium carbonate was transformed into vaterite with the assistance of SDBS. Pure vaterite was obtained as the concentration of SDBS reaches to 2.5 mM. When the experimental temperature was controlled at 120 and 150 degrees C, respectively, aragonite was transformed into calcite, and Pure calcite was obtained as the concentrations of SDBS were equal to 1.0 and 2.5 mM, respectively. Possible formation mechanism of different CaCO3 polymorphs was proposed based on the obtained experimental results. (c) 2008 Elsevier Inc. All rights reserved.
机译：通过水热法研究了在阴离子表面活性剂十二烷基苯磺酸钠（SDBS）的帮助下从文石到v石和方解石的结构转变。当将实验温度控制在90℃时，在SDBS的帮助下，将碳酸钙晶体的文石转化为球ate石。当SDBS的浓度达到2.5 mM时，获得纯球v石。当将实验温度分别控制在120和150℃时，文石转化为方解石，并且当SDBS的浓度分别等于1.0和2.5mM时获得纯方解石。根据获得的实验结果，提出了不同CaCO3多晶型物可能的形成机理。 （c）2008 Elsevier Inc.保留所有权利。

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