The morphological change of calcite crystal in the presence of 1 hydroxyethylidene 1,1 diphosphonic acid(HEDP) was observed by means of atomic force microscopy(AFM).

• 用原子力显微镜(AFM)观测了添加羟基乙叉二膦酸(HEDP)后的碳酸钙晶粒的表面形貌变化。