Zhuangli Number: two

Principle and method:Flow chromatography, low-temperature nitrogen adsorption;

Testing function:Compared to surface areadetermine，With multi-layer adsorption correction;

Adsorption or desorption kinetics process testing (optional function);

Test mode:Multiple samples were independently tested for fully automated adsorption process;

Test gas:High purity nitrogen gas（99.999%）+High purity helium gas（99.999%）mixed gas；

Test scope:upper limit≤ 100m2/g ,lower limit≤ 0.1m2/g,Especially suitable for testing small surface samples;

Repetition accuracy:≤± 1.0%；

Testing efficiency:Average per sample5minThe test results are automatically obtained in real-time by the software;

Analysis Station ：4Individual sample grade, can be conducted simultaneously3Analysis of the tested sample;

Lifting system:4In situ setting of sample grade4Equipped with an independent lifting system, electrically controlled and automatically controlled, and

Do not interfere with each other;

vacuum pump ：Externalmechanical vacuum pump，Extreme vacuum0.1Pa；(Special for dynamic vacuum blowing machine)

Degassing system:Modular design of ectopic vacuum degassing pretreatment system, which can be carried out simultaneously4The degassing point of a sample