离子强度对碳酸钙（CaCO3）多晶型的影响
Influence of Ionic strength on calcium carbonate (CaCO3) polymorphism
摘要：
碳酸钙晶体的多晶型、反射率和稳定性等物理性质是影响其工业应用质量的关键因素。影响碳酸钙多晶型的因素，如添加剂和基质，已被深入研究。然而，由不同的添加剂产生的离子强度的影响很少受到关注。本研究分析了生长溶液的离子强度如何影响碳酸钙的晶体结构，通过应用含有不同浓度的不同类型的阳离子，K+，Na+和NH 4+的生长溶液。该研究表明，离子强度在多晶型选择中起着重要作用，沉淀物中球文石的百分比随着离子强度的浓度而增加。
英文摘要：
CaCO3 crystals' physical properties, such as polymorphism and hence the reflectivity and stability, are critical factors of their qualities in industrial applications. Factors such as additives and substrates that influence CaCO3 polymorphism have been intensively studied. However, the effects of ionic strength created by varying additives are seldom paid attention to. This study is analyzing how ionic strength of the growth solution influences the crystalline structure of CaCO3, by applying growth solutions containing different types of cations of varying concentrations, K+, Na+, and NH4+. This study reveals that the ionic strength plays a significant role in polymorph selection in the way that the percentage of vaterite among the precipitates increases with the concentration of ionic strength.
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