FREQUENCY CHANGE OF A QUARTZ-CRYSTAL MICROBALANCE AT THE SUPERCRITICAL CONDITION OF CARBON-DIOXIDE

被引：10
|
作者：
OTAKE, K
KUROSAWA, S
SAKO, T
SUGETA, T
HONGO, M
SATO, M
机构：
[1] National Institute of Materials and Chemical Research, Tsukuba, Ibaraki, 305
来源：
JOURNAL OF SUPERCRITICAL FLUIDS | 1994年 / 7卷 / 04期
关键词：
QUARTZ CRYSTAL MICROBALANCE; RESONANCE FREQUENCY; ADSORPTION;
D O I：
10.1016/0896-8446(94)90017-5
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：
The frequency change of a quartz crystal microbalance was examined at 40 degrees C and pressures up to 15 MPa with He, N-2, and CO2 as a pressurizing medium. The frequency largely decreased near the critical point of the CO2. The change was caused by the rapid increase of the weight of CO2 physically adsorbed on the evaporated silver electrodes surface.
引用
收藏
页码：289 / 292
页数：4
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