The homogeneous and controllable morphology of anhydrous magnesium carbonate (MgCO) particles with excellent properties is difficult to obtain because of a variety of synthetic factors. The effect of succinic acid as a crystal modifier on the particle morphology transformation of anhydrous MgCO was investigated by the hydrothermal method. The effect of the addition of succinic acid on the particles was similar to that of temperature change. The morphology of particles with a folded diamond-like shape was gradually uniform, and the particle size was between 3.3 and 7.5 μm. Anhydrous MgCO particles prepared at pH 9 could easily agglomerate, and the average particle size increased from diamond-like to cube-like as the reaction time increased. The interaction between succinic acid and magnesium ions at different concentrations was the main factor responsible for the morphological changes. The pH, temperature, and time affected the molecular motion rate and crystal growth.

中文翻译：

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琥珀酸对六水氯化镁与尿素制备无水碳酸镁颗粒形貌变化的影响

由于多种合成因素，难以获得具有优异性能的均匀且形貌可控的无水碳酸镁（MgCO）颗粒。采用水热法研究了琥珀酸作为晶体改性剂对无水MgCO颗粒形貌转变的影响。琥珀酸的添加对颗粒的影响与温度变化的影响相似。折叠类菱形颗粒形貌逐渐均匀，粒径在3.3~7.5μm之间。 pH值为9时制备的无水MgCO颗粒很容易团聚，并且随着反应时间的增加，平均粒径从类金刚石增加到类立方体。不同浓度下琥珀酸与镁离子之间的相互作用是导致形态变化的主要因素。 pH、温度和时间影响分子运动速率和晶体生长。