The methods of thermal analysis,XRD,IR,ZIA and pH measuring were employed to distinguish EMD and the heat-treated EMD.

• 经200℃热处理的电解二氧化锰，通过热分析、X射线衍射分析、红外光谱分析以及表面pH值和表面积的测定，说明与未处理的电解二氧化锰相比性质发生了变化。