晶胞常数法测定Fe-Y分子筛骨架含铁量  

Quantitative Analysis of Iron Content in Fe-Y Zeolites Skeleton by Determining Lattice Constant

作　　者：周瑞明[1] 贺鹤勇[2] 

机构地区：[1]华东化工学院联合反应工程研究所技术化学物理研究室 [2]复旦大学化学系

出　　处：《华东化工学院学报》1990年第4期397-401,共5页

摘　　要：提出以X射线衍射法测量晶胞常数α_0与化学分析测定硅铝比相结合,定量测定Fe-Y分子筛骨架中铁含量Fe(s)。得到了经验公式:The iron content Fe(s) in Fe-Y type zeolites lattice was determined by combining lattice constant determination by means of XRD with chemical analysis of the ratio of Si/Al In spite of the existence of iron impurity the contribution of iron in skeleton to the lattice constant can be distinguished and the experimental data showed a linear relation between mole fraction of iron in lattice and lattice constant. As a result of this study an empirical equation was obtained:(Fe(s))/(Fe(s)+Al+Si)=((Si/Al)×(α_0-2.4070)+(α_0-2.5476))/(0.5560×Si/Al+0.3884)

关 键 词：沸石分子筛 晶格 晶胞常数法 铁 

分 类 号：TQ424.25[化学工程]