Fractal dimensions from Q-TG data for estimation of surface heterogeneity

被引：8
|
作者：
Matyjewicz, M [1 ]
Staszczuk, P [1 ]
机构：
[1] Marie Curie Sklodowska Univ, Fac Chem, Dept Phys Chem Solid Surface, PL-20031 Lublin, Poland
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2003年 / 74卷 / 02期
关键词：
fractal dimensions; montmorillonites; programmed thermodesorption; sorptometry and porosimetry techniques; thermogravimetry; zeolites;
D O I：
10.1023/B:JTAN.0000005176.39209.9e
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Programmed thermodesorption of n-butanol from Na-, La-montmorillonite, natural and commercial zeolite samples in quasi-isothermal conditions made. The new method of fractal dimension calculations from thermogravimetry data has been presented. On the basis of nitrogen adsorption - desorption isotherms from sorptometry and mercury porosimetry data the fractal dimensions of montmorillonites were calculated. The results from above independent and separated techniques were compared and good correlation were obtained.
引用
收藏
页码：413 / 422
页数：10
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