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介绍了98A型高效动态吸附仪的设计原理、基本结构和主要功能。该吸附仪由信号测量采集装置、计算机和打印机组成，采用低温氮物理吸附容量法，运用BET理论和气相色谱原理实现对炭黑比表面积的测定。在使用中表明，其整体性能优于国外同类产品。
The design principle, basic structure and main functions of 98A high efficiency dynamic adsorption instrument are introduced. The adsorber consists of a signal acquisition device, a computer and a printer. The low-temperature nitrogen physical adsorption capacity method is used to determine the specific surface area of the carbon black by the BET theory and the gas chromatography principle. In use shows that its overall performance better than similar foreign products.