Graphene BET surface area analyzer-Fornitore globale

Building 5, Dewei Science and Technology Park, No.12 Kechuang 13th Street, Beijing Economic and Technological Development Zone

Instrument model：	JW-BK200A
First-principles methods：	Gas adsorption method, static capacity method;
test function：	Isothermal adsorption desorption curve; Single point and multi-point BET specific surface area; Langmuir specific surface area; Surface Area (STSA); Single point adsorption total pore volume and average pore size; Analysis of BJH mesoporous macropore volume and pore size distribution; T-plot method, AS plot method, DR method, MP method for routine analysis of micropores; HK method and SF method for precise analysis of micropores; Estimation of average particle size; Special function: NLDFT method for pore size distribution analysis; Accurate testing of true density; Gas adsorption capacity and adsorption heat testing; Quality input method testing;
test gas：	Nitrogen, oxygen, hydrogen, argon, krypton, carbon dioxide, methane, etc;
Range：	Specific surface area 0.005 (m)²/g) -- up to no upper limit; Mesoporous and macroporous analysis at 2nm-500nm; Micro pore analysis at 0.35nm-2nm; Total pore volume 0.0001c/g - to no upper limit;
repeatability：	Specific surface area ≤ ± 1.0%; External surface area ≤ ± 1.5%; Micropores with pore size ≤ 0.01nm; True density ≤± 0.04%
test efficiency：	The average specific surface area is 15 minutes per sample; Mesoporous and macroporous analysis takes an average of 2-3 hours per sample; Micropore analysis takes an average of 10-15 hours per sample;
Analysis Station：	Two completely independent sample analysis stations that can perform vacuum degassing pretreatment simultaneously; Each analysis station is equipped with two separate 3L vacuum glass inner Dewar flasks;
P0 position：	Each sample analysis station is equipped with two independent P0 tubes, which are controlled by separate inlet pressure sensors and completely separated from the analysis site. They can measure the saturated vapor pressure of nitrogen in real time and accurately, and participate in theoretical calculations in real time;
Lifting system：	Two sample molecular stations are equipped with two independent lifting systems in situ, electrically controlled and automatically controlled, and do not interfere with each other;
vacuum system：	All stainless steel multi-path parallel vacuum pumping pipeline system, vacuum pumping speed fine adjustment valve system * * technology, can automatically adjust within the range of 2-200ml/s;
vacuum pump：	External imported two-stage rotary vane mechanical vacuum pump (automatic anti backflow oil);
Degassing systems：	The standardized design of the same position and out of position vacuum degassing pretreatment system is controlled by a separate inlet pressure sensor, completely separated from the same analysis position, and can measure the vacuum degree of the degassing system in real time and accurately: 2 independent heating packs, 2 sets of independent temperature control meters, both can be programmed for temperature control, with up to 10 heating steps, which can be used for both same position and out of position degassing treatment of samples; During the analysis and testing of two samples, vacuum degassing treatment can be performed on the other two samples;
Degassing temperature：	Room temperature -400 ℃, accuracy ± 1 ℃;
Pressure sensor：	Original imported silicon thin film capacitive multi pressure sensor, with 1000 torr (133.3KPa), 10 torr (1.333KPa), 1 torr (0.1333KPa) or 0.1 torr (0.01333KPa), accuracy of ≤± 0.15%;
Voltage division range：	P/Po accurate controllable range up to 10^-8-0.998, capable of measuring over 1000 points;
pressure control：	Balanced pressure intelligent control method, pressure controllable interval<0.1KPa, adsorption pressure point can be automatically controlled;
data acquisition：	Ethernet data collection, fast collection speed, high accuracy, compatible with Windows 7/XP 32/64 bit systems;