Gas physical adsorption is an important method for characterizing materials, and adsorption isotherms are the basis of this method. The physical adsorption isotherm refers to the function of the adsorption amount of gas on the characterized solid material with the pressure change in a fixed system at a constant temperature. In the 1985 IUPAC recommendation, physical adsorption isotherms were divided into six types. However, in the past 30 years, various new types of adsorption isotherms have been discovered and shown to be closely related to specific pore structures. Therefore, in 2015, IUPAC reclassified adsorption isotherms. In this issue of "Mc Lecture Hall", Dr. Zhong Hua, Manager of Marketing Application Department of McMurraytic (Shanghai) Instrument Co., Ltd., introduced the adsorption isotherm to everyone. (Youku video link: http://v.youku.com/v_show/id_XMzY0ODUxNDc1Mg==.html?spm=a2hzp.8244740.0.0)
Physical adsorption isotherm type
Established in 1962, Mike Instruments Inc. is a leading global supplier of fine-grained material characterization instruments. In March 2011, McMurrayt (Shanghai) Instrument Co., Ltd. was established in Shanghai to provide the United States with the Chinese market. Mac Instruments' products and services. "Mike Lecture Hall" is one of the important activities of user technical exchange launched by McMurritc (Shanghai) Instrument Co., Ltd. Our company will occasionally publish knowledge sharing, small questions and answers and lecture video content on theoretical knowledge, common problems, operation skills, data processing, etc. on WeChat public account, official Weibo, company official website and other channels. At the same time, we will also update the technical lecture video on Youku. "Mike Lecture Hall" will be divided into a variety of special topics such as physical adsorption series, specific surface area, pore size and porosity series, chemical adsorption series, mercury intrusion meter series and density meter series.
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