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Micro/Meso/Macro Pore Size Analysis by Gas Sorption,
Mercury Porosimetry and Capillary Flow Porometry

Comparison of Pore Size Analysis Technologies

    Instrument Series Autosorb / Nova / Quadrasorb Series PoreMaster Porometer 3G

    Approx.
    Pore Size
    a

    Min.-Max. [nm]

    0.3-500

    3.5-1,000,000

    20-500,000

    Min.-Max. [µm]

    0.0003-0.5

    0.0035-1,000

    0.02-500

    Pore Typeb

    All Open Pores

    Yes

    Yes

    No

    Through-Pores

    No

    No

    Yes

    Features

    Technique

    Gas Sorption

    Poro Hg simetry

    Capillary Flow

    Typical Analysis Time per Sample

    Hoursc

    10-30 minutes

    5-10 minutes

    Mean Pore Size

    Yes

    Yes

    Yes

    Pore Size Distribution

    Yes

    Yes

    Yes

    Pore Volume

    Yes

    Yes

    No

    % Porosity

    No

    Yes

    No

    Surface Area

    Yes

    Yes

    No

    Requirements

    Gas Cylinder(s)

    Yes

    Yes

    Yes

    Vacuum Pump

    Yes

    Yes

    No

    Cryogen

    Typicald

    Optione

    No

    Mercury

    No

    Yes

    No

    Particle Size Limit

    None

    None

    N/A

    Typical Applications

    Carbons,
    Zeolites,
    Catalysts,
    MOFs,
    Silicas,
    Aluminas,
    Pharmaceuticals,
    Polymers,
    Battery Components,
    etc.

    Ceramics,
    Catalysts,
    Pellets,
    Pharma Tablets,
    Concrete,
    Core Samples,
    Chromatography Media,
    etc.

    Filters,
    Membranes,
    Woven & Non- Woven,
    Textiles,
    Hollow Fibers,
    Papers,
    etc.

    a Pore Dimensions, by IUPAC definition: Micropores < 2 nm; Mesopores 2-50 nm; Macropores > 50 nm.
    b All Open Pores include all pores accessible to external fluids (i.e., including blind pores closed at one end).
    c Substantially shorter in multi-station instruments capable of analyzing multiple samples simultaneously.
    d For standard BET analyses with N2 or Kr at 77 K, argon at 87 K, etc. (not needed for, e.g., CO2 analyses at 273 K).
    e Optionally used for cold trap only.

    Gas Sorption

    Autosorb® iQ Series

    The Autosorb iQ series represents the gold standard in high resolution/high sensitivity gas sorption. Metal-to-metal (VCR) fittings are employed in the measurement manifold(s) for extremely low leak rates. Available with up to three physisorption analysis ports for surface area analysis and pore size measurements; any or all can be equipped for low pressure micropore analysis including 0.1 torr transducer(s). All models (except one chemisorption-only model) include four built-in degas ports which eliminates the need to degas on the analysis stations thus preventing contamination of the analysis section. One port is available as a chemisorption station, complete with a high temperature furnace coupled with fan-assisted cooling. The chemi- versions are also offered with optional flow-based measurement capabilities (TPX, pulse titration). A number of options are available, including an enclosed and fully thermostatted vapor generator and dosing system. A single PC is able to control up to 4 autosorb iQ units, and the software features the most advanced pore size calculations.

    more.
    autosorb-iQ-MP_C

    Quadrasorb-evo™

    Up to four simultaneous and independent analysis ports remove the limitations of single dewar systems allowing samples to be started as soon as previous measurements are completed. Krypton / Micropore option available for low surface area and micropore measurements. External roughing pump supplied separately. Secure PC version (21 CFR Part II) is also available. more...

    Quadrasorb evo

    NOVAtouch® Series

    The next generation of well-established NOVA analyzers, offering higher speed and performance enhancements including a touch-sensitive, multi-functional color screen that provides reat time graphical and tabular displays of analyses, and enables local control in multiple languages and without a dedicated PC. Remote control via Ethernet connection, a dedicated Po cell, a longer life Dewar, and a novel and robust coolant level control system are provided. Standard and Advanced LX models are available with 2 or 4 analysis station versions, five input gas ports, and four built-in sample preparation ports with programmable heating profiles. Secure PC version (21 CFR Part II) is also available. more...

    Novatouch

    Nova®e Series

    High-speed surface area and pore size analyzers for quality control and research. Meets different throughput needs with single or multi-port (two, three or four sample stations) models. Can be run as stand-alone or PC-based. Secure PC version (21 CFR Part II) is also available. Nova's small foorprint even includes built-in sample preparation stations! Operates in classical or helium-free mode. Vacuum pump supplied separately. more...

    Novae Series

    Autosorb®-6iSA

    The new Autosorb-6iSA provides six ports for independent analysis of 1 to 6 samples. Dedicated pressure transducers, dewar flasks, coolant level sensors, and Po cells allow independent and simultaneous operation of each station. Its Windows®-based software, available as a 21 CFR Part 11 version, provides the ability to perform a multitude of data analysis methods including single and multi-point BET Langmuir surface area, mesopore volume and size distribution, micropore area, total pore volume and much more. Modern data communication provides ease of data input and export. more.

    Autosorb 6iSA: Gas Sorption

    Mercury Porosimetry

    PoreMaster® Series

    Automatic pore size distribution and pore volume analyzers using the rapid mercury intrusion method. Pore size range measured from approximately 1100* µm diameter to less than 3.5nm in the 60,000 psi capable units, 6.5nm in the 33,000 psi models. Both versions have two, built-in low pressure analysis ports for pore sizes above 4 µm. The high pressure cavity, for pore sizes smaller than 4 µm accommodates one sample cell in the standard unit, and two cells in the GT model for greater throughput. PoreMasters can also be used to determine the crush strength of hollow glass microspheres and for water intrusion studies on hydrophobic materials. more...

    * Calculated using contact angle of 150°

    PoreMaster: Mercury Porosimetry

    Capillary Flow Porometry

    Porometer Series (Liquid Expulsion)

    Our capillary flow porometers for characerizing through-pores in thin, sheet-like materials provide exceptional performance in compact desk top units. They are ideal for material testing labs, research and development and quality control departments.All Porometer 3G Series capillary flow porometers conform to ASTM standard methods D6767, E128, F316-03, and similar and offer the benefits of the pressure sense line and a compact design with the sample holder options external to the control module. Having the sample holder external to the control module allows for measurement of a variety of sample configurations. more...

    Porometer Series(Liquid Expulsion)