Product Introduction:New design, attractive appearance, professional multifunctional mesoporous analyzer, user-friendly selection, hot selling products at home and abroad!
Static capacity method compared to surface and pore size analyzers, with BET (single point, multi-point) Langmuir、 Multiple testing functions include external surface, pore volume, adsorption/desorption isotherms, BJH adsorption/desorption mesoporous and macroporous analysis. Adopting imported high-precision pressure sensors (1000torr) and low-temperature solenoid valve control; Equipped with an independent P0 tube, it can selectively monitor the nitrogen saturation vapor pressure in real-time; Equipped with real-time monitoring of external chamber temperature and precise measurement of external chamber volume; Equipped with imported mechanical pumps, the vacuum degree can reach up to 10-2Pa. There are 2 sample analysis stations (simultaneously conducting 1 sample analysis), both of which can perform degassing treatment at the same location, and both stations can perform degassing work simultaneously. The degassing speed can be controlled by programmed temperature rise, and the degassing temperature can reach up to 400 ℃. A brand new multifunctional software operating system that supports Windows 7/XP system and ultra high speed LAN port connection. This instrument has both true density testing function (* * technology) and density input ratio surface aperture testing function, which can be chosen by everyone.

Instrument model:JW-STSA1 Carbon Black Specific Surface Area Tester
Principle and method:Low temperature nitrogen adsorption, static capacity method
Testing function:BET surface area (single point, multi-point), Langmuir surface area, outer surface measurement
Isothermal adsorption desorption curve determination, BJH mesoporous and macroporous pore size analysis
Measurement of total pore volume using t-Plot and DR methods, and analysis of pore size using MP method
Accurate determination of true density (optional function)
Structural features:1 analysis station, 2 sample grades, capable of simultaneous degassing treatment, in-situ alternating testing
Vacuum system:Double stage rotary vane mechanical pump, with a maximum vacuum degree of 4-6.7 × 10^-2Pa， The pumping speed is 30l/min, and the pumping speed can be automatically adjusted within the range of 2ml/s-300ml/s
Stress testing:1 pressure sensor, 0-1000Torr
Accuracy ± 0.15% (reading)
Pressure range: 10^-4-0.997
Test gas:N₂、 Ar、Kr、CO₂etc.
Test scope:Surface area ≥ 0.01M²/g. No upper limit specified
Mesopores and macropores 2-500nm
Test accuracy:Repetitive accuracy ± 1.5%
Density accuracy:Test accuracy 0.04%
Control method:Balanced pressure intelligent control method, aperture analysis optimized in six stages, fully automatic control
Degassing treatment:In situ processing, 2 samples can be individually set for temperature and holding time, temperature: room temperature -400 ℃, or an external 4-bit pre-processing machine can be selected
Product features:
Theoretical calculation: Based on the principle of static capacity method, a new method for program measurement and calculation of cold free space has been created, with automatic switching of helium/nitrogen, which has achieved real-time temperature measurement and correction, ensuring the scientific and reliable calculation of nitrogen adsorption capacity; Through proprietary technology, known samples can be directly subjected to nitrogen adsorption testing, greatly improving testing efficiency;
◆ Control accuracy: Creative multi-channel parallel vacuum design, through the built-in fine-tuning system of * *, the vacuum pumping speed can be automatically adjusted within the range of 2-300ml/min; Adopting the intelligent control method of balanced pressure, the control accuracy of the test pressure has reached international standards, with a controllable pressure interval of less than 0.1KPa. At the same time, automatic control of the balanced pressure point has been achieved, and the relative pressure can reach 0.997;
Liquid nitrogen surface control: Adopting a comprehensive liquid nitrogen surface control method and software compensation, the influence of liquid nitrogen surface is eliminated;
◆ Automatic Control Circuit: Introducing internationally advanced automatic control circuits and data acquisition systems, using Ethernet interfaces, greatly improving the reliability of automatic control, with strong anti vibration and anti-interference capabilities, an average failure cycle of over 25 years, and the ability to control multiple units remotely;
◆ Low carbon and environmentally friendly: * *'s purification device eliminates impurities generated during pretreatment and removes harmful gases to the human body emitted by vacuum pumps. It has strong environmental protection and high analysis accuracy, leading the industry;
Analysis software: nearly ten physical models and comprehensive analysis software, integrated with * * progress, such as * * selection methods for linear point ranges of BET specific surfaces of different materials; Provide a standard isotherm database for different materials to choose from when conducting t-test or MP analysis, and domestic surface testing techniques, etc;
◆ True density testing: It has the function of true density testing, mature technology, fast testing speed, high efficiency, repeatability, and accuracy that fully meet the testing results of professional true density instruments at home and abroad;
Application areas:
Adsorbent:(such as activated carbon, silica gel, activated alumina, molecular sieve, activated carbon, calcium silicate, sepiolite, zeolite, etc.);
Ceramic raw materials:(such as alumina, zirconia, silicate, aluminum nitride, silica, yttrium oxide, silicon nitride, quartz, silicon carbide, etc.);
Rubber material reinforcing agent:(such as carbon black, white carbon black, nano calcium carbonate, carbon black, white carbon black, etc.);
Battery material:(such as lithium cobalate, lithium manganate, graphite, lithium nickel cobalate, cobalt oxide, lithium iron phosphate, lithium titanate, three elements, three element materials, polymers, polymer materials, polymer battery materials, alkaline manganese materials, lithium ion materials, lithium manganese materials, alkaline materials, zinc manganese materials, quartz powder, magnesium manganese materials, carbon materials, zinc air materials, zinc mercury materials, acetylene black, nickel hydrogen materials, nickel cadmium materials, diaphragms, active materials, additives, conductive agents, corrosion inhibitors, manganese powder, electrolytic manganese dioxide, graphite powder, nickel hydroxide, foam nickel, modified graphite materials, positive active materials, negative active materials, zinc powder, etc.);
metallic oxide:(such as zinc oxide, calcium oxide, sodium oxide, magnesium oxide, barium oxide, iron oxide, copper oxide, etc.);
Magnetic powder material:(such as iron oxide, ferrite, ferrous oxide, etc.); Nano metallic materials (such as nano silver powder, iron powder, copper powder, tungsten powder, nickel powder, aluminum powder, cobalt powder, etc.);
Environmental Protection Industry:(such as pigment fillers, column fillers, inorganic pigments, calcium carbonate, silica, mineral powders, sediments, suspended solids, etc.);
Inorganic powder materials:(such as titanium dioxide, titanium dioxide powder, titanium dioxide, etc.);
nanometer material: (such as nano powder materials, nano ceramic materials, etc.);
Rare earth elements, coal, cement, energy storage materials, catalysts: (diatomaceous earth),
Purification agents, filter aids, luminescent rare earth powder materials, powder materials, powder materials, ultrafine fibers, porous fabrics, composite materials, and other powder and particle materials are widely used for the detection and analysis of specific surface area and pore size. They are widely used in material research and powder material production enterprises in universities and research institutes for product quality monitoring