摘要
采用自组装的流动吸附仪建立了基于BET吸附原理的快速测定固体比表面积的实验方法(单点法),对同一活性炭样品,在多功能气体吸附系统上进行对照实验(多点法)。实验结果表明,采用流动吸附仪测定比表面积方便易行,数据稳定可靠,实验教学效果良好。本文介绍这一特色实验,期望对从事物理化学实验教学的同行有所助益。
Using the home-made adsorption device, a method for quick measurement of solid specific surface area was established based on the BET adsorption theory. A contrast experiment designed by multipoint method was also carried out with the automatic adsorption apparatus. The experimental results show that the presented method is convenient. We hope that peers who devote in physical chemistry laboratory teaching can use this characteristic experiment.
出处
《大学化学》
CAS
2017年第7期60-67,共8页
University Chemistry
基金
中山大学首批校级课程教学团队建设项目(2014)
广东省本科高校教学质量与教学改革工程立项建设项目(2015)
关键词
BET
比表面积
流动吸附法
自动吸附仪
吸脱附等温线
BET
Specific surface area
Flow adsorption method
Automatic adsorption apparatus
Adsorption/desorption isotherm
