STRUCTURAL-ANALYSIS OF PLASMA-TREATED ACTIVATED CARBON USING NITROGEN ADSORPTION METHOD

被引：3
|
作者：
TANADA, S
KAWASAKI, N
NAKAMURA, T
IZAWA, J
TORII, Y
机构：
[1] Faculty of pharmaceutical Sciences, Kinki University, Higashi-Osaka, Osaka, 577, Kowakae
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 1994年 / 168卷 / 02期
关键词：
16;
D O I：
10.1006/jcis.1994.1450
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Nitrogen adsorption isotherms on untreated activated carbon (U-AC) and plasma-treated activated carbons (PT-ACs) with tetrafluoromethane were investigated. The pore volume was calculated using the Dollimore-Heal method from the adsorption isotherms to elucidate the relationship between plasma treatment time and porosity. The total pore volume of pores with radii less than 95 Angstrom decreased with plasma treatment. However, the pore volume of pores with radii less than 7.5 Angstrom was unchanged. This result was explained by the results of the C constant calculated from the BET equation. The pores with radii of 7.5 to 20.5 Angstrom were particularly influenced by the plasma treatment. (C) 1994 Academic Press, Inc.
引用
收藏
页码：522 / 525
页数：4
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