BET surface area and pore size analyzer_ the manufacturer JWGB

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Beijing JWGB Sci. Tech. Co., Ltd.

• International Department
• Wendylv Manager
• SkypeJWGB
• Email lv_at_jwgb.net Tel[phone]

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CompanyHistory

• 2000, RD the direct comparison method surface
  area analyzer successfully, and opened a new era
  of nitrogen adsorption instrument in China
• 2004.07, developed China's first dynamic BET
  specific surface area tester successfully
• 2005.04, developed China's first dynamic
  surface area and pore size distribution tester
  successfully
• 2005.05, Beijing JWGB is approved as the member
  of "China Analysis and Testing Association
• 2005.05, JWGB is approved as high-tech
  enterprises by the Beijing Science and
  Technology Commission 2010.09, JWGB was approved
  as high-tech enterprises again
  
• 2006.06, BET specific surface analyzer, dynamic
  pore size distribution tester has passed the
  detection of the National Research Centre.
• 2006. 06, BET surface area analysis instrument
  and pore size tester is as the external test
  equipment by many units, such as Beijing Building
  Materials Academy Testing Center.
  
• 2007, developed the static volumetric method
  surface area and pore size analyzer successfully
• 2009, JW Series instruments have passed the
  China Institute of Metrology Metrology identified
  based on national standards

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CompanyHistory

• 2010.04, JW series of specific surface area and
  pore size analyzer project passed technical
  appraisal organized by China Association for
  Instrumental Analysis
• 2010.10, JWGB self-developed automatic real
  densitometer
• 2010, developed high-precision surface area and
  micropore analyzer successfully
• 2010.12, JWGB passed ISO90012008 quality
  management system and the EU CE quality
  certification
• 2011.04, JWGB won some awards, e.g. Scientific
  instruments outstanding new products Excellent
  Product Award National Innovation funding
• 2012.05, JW-BK122F model specific surface area
  and pore size analyzer is awarded the "Innovation
  Award by the China Instrument Industry
  Association
• 2012.08, On the occasion of the 7th anniversary
  Shanghai office was built, Guangzhou Office was
  established
• 2012, Beijing JWGB was approved as the member of
  the China Chemical and Physical Power Industry
  Association and Chinese Society of particles

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CompanyHistory

• 2013, Wuhan office was established
• 2013, JWGB developed NLDFT (Nonlocal density
  function) pore size analysis methods
  successfully
• 2013, JW-BK132F model is awarded Most attention
  product award by Beijing Powder Technology
  Association
• 2014, JWGB developed a new generation of
  high-precision automatic true density / open
  obturator rate tester
• 2014, JW-GY series High- pressure adsorption
  analyzer was developed successfully
• 2014, corporated with Tsinghua university,
  developed the Catalyst dynamic evaluation
  device
• 2014, JW-BK200C model Two-port micropore analyzer
  was identified by China Institute of Metrology
• 2015.3, JWGB was approved as the member of China
  Instrument Industry Association

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Products

• BET Specific Surface Area Analyzer
• STSA Surface Area Analyzer
• Surface Area and Porosity Analyzer
• Micropores Analyzer
• Vacuum Pretreatment Machine
• True Density / Gas Pycnometer
• High-pressure Adsorption Analyzer
• Catalyst dynamic evaluation device
• Laboratory Cold Bath
• Capillary Flow Porometer
• Mercury Porosimetry

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Company Hohor
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Static Volumetric Method Product Overview
Model JW-BK112 JW-BK222
Measuring range Surface area 0.005M2/g, above Pore size 2-500 nm(Mesopore and macropore) Pore Volume 0.0001cc/g, above Surface area 0.005M2/g, above Pore size 2-500 nm(Mesopore and macropore) Pore Volume 0.0001cc/g, above
Pump Mechanical pump, Ultimate vacuum is 4-6.710-2Pa Mechanical pump, Ultimate vacuum is 4-6.710-2Pa
Pressure Transducer 1 2
Analysis ports 1 2
Degassing ports 2 2
Outline
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Model JW-BK122W JW-BK132F
Measuring range Surface area 0.005M2/g , above Pore size 0.7-500 nm Pore Volume 0.0001cc/g, above Surface area 0.005M2/g , above Pore size 0.35-500 nm Pore Volume 0.0001cc/g, above
Pump Mechanical pump sorption pump maximum vacuum 10-6 torr (1.3110-9 bar) Mechanical pump Turbo molecular pump maximum vacuum 10-8 torr (110-11 bar)
Nitrogen Partial Pressure 10PP-6 PP_ 0.998 10PP-8 PP_ 0.998
Analysis ports 1 1
Pressure sensor 2 3
Degassing ports 2 2
Repeatability accuracy surface area 1.0 the repeated deviation of the most probable ultramicropore 0.02nm surface area 1.0 the repeated deviation of the most probable ultramicropore 0.02nm
Outline
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Model JW-BK200B JW-BK200C JW-BK300
Features One independent mesopore station and one independent micropore station two independent degassing ports, two Pos. Two independent micropore- analysis stations, two independent degassing ports, two real- time Pos. One independent micropore station and two independent mesorpore- analysis stations. Three real-time Pos.
Measuring range Surface area 0.005M2/g, above Pore size 0.35--500 nm Pore Volume 0.0001cc/g, above Surface area 0.005M2/g, above Pore size 0.35--500 nm Pore Volume 0.0001cc/g, above Surface area 0.005M2/g, above Pore size 0.35--500 nm Pore Volume 0.0001cc/g, above
Pump Mechanical pump Turbo molecular pump maximum vacuum 10-8 torr (10-11 bar) Mechanical pump Turbo molecular pump maximum vacuum 10-8 torr (10-11 bar) Mechanical pump Turbo molecular pump maximum vacuum 10-8 torr (10-11 bar)
Nitrogen Partial Pressure 10PP-8 PP_ 0.998 10PP-8 PP_ 0.998 10PP-8 PP_ 0.998
Analysis Ports 2 2 3
Degassing Stations 2 2 3
Outline
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Continuous Flow Chromatography Method
Model Function Function Function Features Outline
Model Reference Comparison Method Single-point BET BET (single-point , multi-point) Features Outline
JW-DX ? --- --- It is suitable for testing the low specific surface area materials graphite, positive and negative battery materials.
JW-DA ? ? ? Multi-functional Automated
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Gas Displacement Method True Density

• Multifunction true density, (also terms as real
  density, absolute density, apparent or skeletal
  density), Determination of the volume percentage
  of open cells and of closed cells
• Test Range 0.0001 g/ml- - no upper limit
• Analysis station one sample analysis station
• Sample cell volume 10ml, 100ml volume cells, you
  can choose it according to your samples
• Test accuracy 0.03
• Repeatability 0.01
• Test Resolution 0.0001g / ml
• Pressure Accuracy imported high-precision
  pressure sensors
• Test efficiency one sample test average is about
  3-5 minutes the test times can be set
  automatically
• Sample types powders, granules, blocks, foam and
  other solid samples, and syrupy substance,
  non-volatile non-corrosive liquids and other
  samples
• Adsorbate gas High purity helium or nitrogen or
  air
• Test temperature range room temperature
• Control program fully automated control, simple
  and easy application set USB interface, easy to
  export data intelligent self-test, check the
  sample cell sealing automatically, excluding
  human error
• Instrument Design Integrated design, LCD touch
  screen control and display systems,
  high-performance, high-quality, small footprint,
  equipped with computers, cost savings
• Power Requirements AC 220V 20V, 50Hz, power
  100W

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Contact Us

• Beijing (Headquarter)
• Address  Room 2006, A Block, No.23, South Bin he
  Road, Guang'an Men, Beijing, 100055, China
• Tel  [phone] 68949817 63326034 Fax 
  86-10-63326024
• Email     lv_at_jwgb.net Skype JWGB
• Website  www.cjwgb.com
•  
• Shanghai JWGB (Office)
• Address    Room 2604, C Block, Shen Han
  Building,No.1066, Jing Sha jiang Road, Shanghai,
  200062,China 
• Tel         [phone] Fax    [phone]
  06
• Website       www.cnjwgb.com
•  
• Guang Zhou JWGB (Office)
• Address Room 602, Yin Yuan Building, Vision
  Road, Bai Yun District, Guangzhou
• Tel (86) -20-86272561 Fax (86) -20-86272561

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• Quality First
• Service Most