The drop-to-drop mixing method of manganese sulfate and ammonium acid carbonate was used to prepare manganese carbonate(MnCO3)particles. Particle size and shape controlling of MnCO3 was studied and discussed.

• 用硫酸锰和碳酸氢铵点接触反应法制备了亚微米级碳酸锰(MnCO3),分析了MnCO3的粒度和形貌控制。