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Photo of BELSORP-miniII

Specific surface area and pore size distribution

Automatic specific surface area/pore size distribution measurment
BELSORP-miniII

BELSORP-miniII is a compact, volumetric adsorption measurement instrument used for specific surface area and pore distribution measurement. Up to 3 samples can be measured simultaneously and independently with dedicated software, which makes operation of the instrument straightforward.

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Overview

BELSORP-miniII uses a new method for free space measurement (AFSM), which enables high accuracy and reproducible data analysis to be performed. BELSORP-miniII can be widely used for both research and QC in industry and academia.

Specification

Measurement principle Volumetric gas adsorption method +AFSM
Adsorptive N2, Ar, CO2, H2 and other non-corrosive gases
Analysis port High accuracy mode: 3 ports
Standard mode: 2 ports
Specific surface area 0.01m2/g and above (N2/77K, depends on sample density)
Pore size distribution 0.35 – 200 nm in pore diameter
Pressure transducer 133 kPa (1000Torr)    0.5 % of F.S.   5 units
Dewar vessel Volume: 2L
Holding time: 30H
Sample cell Approx. 1.8cm3 (Option: 5 cm3)
Physical W313 x H650 x D390mm, 42kg
(Not includes vacuum pump, computer and its peripheral)
Power Single phase: AC100 - 120V or 200--240V / 600VA
(450VA is for vacuum pump)

Features

  • Up to 3 samples can be measured independently and simultaneously.
  • Pore sizes of 0.35 to 200 nm in diameter can be measured.
  • Specific surface areas as low as 0.01 m2/g can be measured.
  • Up to 4 BELSORP-miniII units can be controlled from one computer.
  • Liquid nitrogen level control is no longer necessary by applying advanced free space measurement method (AFSM) invented by BEL, which obtains high precision and high reproducible data.
  • Very compact space-saving unit
  • ISO 9277 and JIS Z 8830 compliant
  • CE certificate

Literature

Title Name Journal Keyword Instrument
High Precision Volumetric Gas Adsorption Apparatus K. Nakai, J. Sonoda, H. Iegami and H. Naono Adsorption 11, 227 (2005) Volumetric
Surface area
Continuous dead volume measurement
ASFM
BELSORP-mini
The effect of surface area on the degradation rate of nano-fibrous poly (L-lactic acid) foams V.J. Chen and P.X. Ma Biomaterials 27, 3708 (2006) Polylactic acid
Biomaterial
Nano-fiber
BELSORP-mini
Bone regeneration on computer-designed nano-fibrous scaffolds V.J. Chen, L.A. Smith and P.X. Ma Biomaterials 27, 3973 (2006) Polylactic acid
Biomaterial
Nano-fiber
BELSORP-mini
Porous properties of silylated mesoporous silica and its hydrogen adsorption Takei, T. / Houshito, O. / Yonesaki, Y. / Kumada, N. / Kinomura, N. J. Solid State Chemistry 180, 1180 (2007) mesoporous silica
hydrogen adsorption
BELSORP-mini
BELSORP-28
Zeolite synthesis using mechanochemical reaction Yamamoto, K. / Borjas Garcia, S.E. / Muramatsu, A. Microporous and Mesoporous Materials 101, 90 (2007) surface area
micropore
nitrogen adsortion isotherm
BELSOPR-mini
An approach to carbon nanotubes with high surface area and large pore volume Niu, J.J. / Wang, J.N. / Jiang, Y. / Su, L.F. / Ma, J. Microporous and Mesoporous Materials 100, 1 (2007) N2 adsorption
porosity
BELSOPR-mini
Temperature dependent photoluminescence of photocatalytically active titania nanopowders Bieber, H. / Gilliot, P. / Gallart, M. / Keller, N. / Keller, V. / Begin-Colin, S. / Pighini, C. / Millot, N. Catalysis Today 122, 101 (2007) titania BELSOPR-mini
Hydrodechlorination reactivity of para-substituted chlorobenzenes over platinum/carbon catalyst Yoneda, T. / Takido, T. / Konuma, K. J. Molecular Catalysis. A, Chemical 265, 80 (2007) Hydrodechlorination reactivity
platinum/carbon catalyst
BELSOPR-mini
Effect of coal ash on sonochemical degradation of phenol in water Nakui, H. / Okitsu, K. / Maeda, Y. / Nishimura, R. Ultrasonics - Sonochemistry 14, 191(2007) coal ash BELSOPR-mini
Production of ketones from sewage sludge over zirconia-supporting iron oxide catalysts in a steam atmosphere Fumoto, E. / Mizutani, Y. / Tago, T. / Masuda, T. Applied Catalysis B, Environmental 68, 154(2006) ketones
sewage sludge
zirconia-supporting iron oxide catalysts
BELSOPR-mini
A CO-TAP study of the reducibility of La1-xSrxFe(Pd)O3+/-δ perovskites Song, Z. / Nishiguchi, H. / Liu, W. Applied Catalysis A, General 306, 183, (2006) CO-TAP
perovskites
BELSOPR-mini
Selective hydrogenation of nitrate in water over Cu-Pd/mordenite Nakamura, K. / Yoshida, Y. / Mikami, I. / Okuhara, T. Applied Catalysis B, Environmental 65, 31 (2006) selective hydrogenation of nitrate
Cu-Pd/modernite
BELSOPR-mini
Catalytic glucose and fructose conversions with TiO2 and ZrO2 in water at 473 K: Relationship between reactivity and acid–base property determined by TPD measurement Watanabe, M. / Aizawa, Y. / Iida, T. / Nishimura, R. / Inomata, H. Applied Catalysis A, General 295, 150 (2005) glucose
fructose
TiO2
ZrO2
BELSOPR-miniII
Synthesis of a thermally stable mesoporous aluminophosphate by using sodium aluminate as precursor Ho, L.N. / Yukushima, S. / Morikawa, R. / Asaka, N. / Nishiguchi, H. / Nagaoka, K. / Takita, Y. Colloids and Surfaces A: Physicochemical and Engineering Aspects 268, 40 (2005) mesoporous
aluminophosphate
sodiun
aluminate
BELSOPR-mini
Ultra deep hydrodesulfurization of dibenzothiophene derivatives over NiMo/TiO2-Al2O3 catalysts Saih, Y. / Nagata, M. / Funamoto, T. / Masuyama, Y. / Segawa, K. Applied Catalysis A, General 295, 11 (2005) hydrodesulfurization
dibenzothiophene
NiMo/Tio2-Al2O3
BELSOPR-mini
Two step synthesis and characterization of thermally stable hexagonal zirconium phosphate Liu, W. / Song, Z. / Ikegawa, T. / Nishiguchi, H. / Ishihara, T. / Takita, Y. Materials Letters 58, 3328 (2004) zirconium phosphate BELSOPR-mini