Preparation and Characterization of Submicron MnCO<sub>3</sub>

吕春玲; 张景林; 蔡天富

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Preparation and Characterization of Submicron MnCO₃

更新时间：2026-09-14

- Preparation and Characterization of Submicron MnCO₃
- 亚微米碳酸锰的制备及表征
- Issue 2, Pages: 151-155(2008)
- 作者机构：
  
  中北大学化工与环境学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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吕春玲, 张景林, 蔡天富. Preparation and Characterization of Submicron MnCO₃[J]. 2008, (2): 151-155.
DOI：

吕春玲, 张景林, 蔡天富. Preparation and Characterization of Submicron MnCO₃[J]. 2008, (2): 151-155. DOI：

摘要

在利用锰盐和碳酸盐混合反应法制备亚微米级碳酸锰的基础上

对影响碳酸锰粒度和形貌的主要因素进行了研究

制备出了500 nm立方形MnCO3颗粒

并用透射电镜、激光粒度分析仪、场发射扫描电镜和红外光谱对实验结果进行了表征分析.结果表明

由反应离子浓度决定的溶液过饱和度是影响MnCO3粒度和形貌的关键因素

当[CO32-

]

/[Mn2+

]

比在1~10范围内改变时

随着该比值的增大

MnCO3粒度呈递减趋势;而[SO42-

]

/[Mn2+

]

浓度比在1

范围内改变时

MnCO3的结晶速度减慢

而且晶形由不规则向立方形过渡和转变.另外

较高的超声频率和较低的反应温度都有利于生成超细MnCO3沉淀.

Abstract

Mixing reaction method of carbonate and manganese sulfate was used to prepare submicron MnCO3 particles.Main factors which affect particle size and shape controlling of MnCO3 was studied cubical MnCO3 grains with about 500 nm were prepared.Transmission electron microscopy

particle size analyzer and infrared spectrum analysis were applied to characterizing the MnCO3 particles.The results indicate that super saturation degree depending on ion concentration is the most important factor for controlling the shape and size of MnCO3.The particle size decreased with the increased ratio of / from 1 to 10.Crystal speed of MnCO3\ slows with the increased ratio of / from 1 to 6

and the crystal form changes from irregular to cubical.Otherwise

higher supersonic frequency and lower reaction temperature are favorable factors for superfine MnCO3 grains.

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references

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Preparation and Characterization of Submicron MnCO3

DOI：

摘要

Abstract

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Preparation and Characterization of Submicron MnCO₃