Instrument functions 1.surface area measurement Single-point and multi-point BET surface area , Langmuir surface area, external surface area , total pore surface area within the absorption / desorption of the total surface area of the hole 2.pore volume measured Single point total pore volume , BJH adsorption / desorption of the total pore volume , the total pore volume of the microporous 3.pore size determination Adsorption average pore diameter , BJH adsorption / desorption average pore diameter , pore diameter 4.pore size distribution measurement Mesoporous absorption / desorption pore size differential distribution (dV / Dr-D, dV / dlogD-D) mesoporous absorption / desorption cumulative pore size distribution , pore size distribution of micropores and ultramicropores 5.true density measurement technical indicators Adsorption gas: high-purity nitrogen gas , can be Ar, Kr, CO2 , etc. nitrogen partial pressure : P / Po 5 × 10-7 ~ 0.995
Instrument functions 1.surface area measurement Single-point and multi-point BET surface area , Langmuir surface area, external surface area , total pore surface area within the absorption / desorption of the total surface area of the hole 2.pore volume measured Single point total pore volume , BJH adsorption / desorption of the total pore volume , the total
