| 尖晶石型铁酸盐的制备及表征研究 |
| STUDIES ON PREPARATION AND CHARACTERIZATION OF THE SPINEL FERRITE |
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| 摘要: 本文采用空气氧化的湿法制备了尖晶石型铁酸盐,得到最佳生成条件为：在空气流速为200ml/min和配料比R=2OH-/(M2++Fe2+)≥1.0,M2+/Fe2+=0.5(摩尔比)下氧化温度和时间分别为343-358K和10-25h.使用XRD、TPR和TPD等方法对所制备的铁酸盐进行了表征,研究了其结构特征及氧化-还原活性,并讨论了该活性与化学组成及结构的关系。 |
| 关键词: 尖晶石型铁酸盐 制备 晶体结构 氧化-还原 |
| 基金项目: |
| Abstract: The spinel ferrites were prepared by the wet method of air oxidation,which have the optimal conditions: R =2OH -/(M2+ +Fe2+)≥1.0; M2+ /Fe2+ =0.5 mole rate, oxidation temperature of 343 385K, oxidation time of 10 25 hours.Through the methods of the XRD,TPR and TPD, their structure characteristics and redox properties were studied. And the relationships among activity, composition and structure were discussed. |
| Keywords: spinel ferrite preparation crystal structure redox |
| 投稿时间：1995-11-01 |
| 摘要点击次数: 1414 |
| 全文下载次数: 2586 |
| 王力军,张春雷,李爽,吴通好.尖晶石型铁酸盐的制备及表征研究[J].无机化学学报,1996,12(4):377-381. |
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