| 高岭石无定形化的动力学研究 |
| Kinetics Study of Kaolinite being Changed into Amorphous Derivative |
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| 摘要: |
| 关键词: 高岭石 甲酸钾 无定形高岭石衍生物 动力学 |
| 基金项目: |
| Abstract: Amorphous kaolinite derivatives were prepared through mixing kaolinite with HCOOK and KOH solution. Ki-netics of kaolinite being turned into amorphous derivatvies was investigated by XRD. It showed that the transfor-mation included dynamic and diffuse controlling stages. And the active energy E1=26.8kJ·mol-1; E2=12.2 kJ·mol-1. TEM and SEM images showed that particle size of the amorphous derivatives was about 50nm. And the amorphous derivatives seemed like alumnsilicate gel， accompanied by some aggregates. |
| Keywords: kaolinite potassium formate amorphous kaolinite derivative kinetics |
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| 曹秀华,王炼石,周奕雨.高岭石无定形化的动力学研究[J].无机化学学报,2003,19(11):1237-1240. |
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