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Quantachrome Instruments: Porous Materials Characterization - Surface Area, Pore Size, Density



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QUANTACHROME INSTRUMENTS
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Boynton Beach, Florida 33426 USA

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1-800-989-2476

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iQ- MP
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The gold-standard in micropore analyzers. Patented, dry high-vacuum system, ultra-stable transducers, three pressure ranges seamlessly overlap. Now available with optional 0.1 torr transducer: XR models.
A second, fully micropore enabled analysis station is optional. Turbo-level degassing and metal O-rings and gaskets in critical measurement zones perfectly complement low starting pressures for true micropore analysis.

This is also the model for very low surface area and thin film analyses using krypton gas.

A typical physisorption analysis starts with degassing the sample. The desired protocol of heating rates, hold times and automatic testing are loaded, then the iQ takes over. After completing the timed protocol, or sooner if residual pressure rise passes the user defined test limit, the iQ shuts down the degasser, backfilling the sample cell or leaving it under vacuum if preferred.

Comprehensive physisorption calculations include specific surface area (single and multi-point B.E.T., Langmuir, STSA, t-plot, alpha-s, DR), pore size (BJH, DH, DA, MP, HK, SF, Monte-Carlo, NLDFT, QSDFT) with their corresponding surface area values, Kr-pore size for thin films, heats of adsorption, plus NK and FHH fractals. The DFT library is the most extensive available commercially; no less than fifteen mathematical models describing different pore shapes, chemical nature of the surface and specific adsorbate and temperature pairs.

iQ specs

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autosorb iQ
XR models: 0.1 torr transducer extends pressure range down to 10-8 P/Po (N2, 77K)



Reproducibility in the ultra-low pressure range is demonstrated in the XR model using 0.1 torr transducer.

 The iQ Series

iQ iQ - AG iQ Chemi  
iQ-Home iQ-AG iQ-Chemi
iq

The AnyGas model uses any suitable gas for high resolution, high sensitivity physisorption studies using a 1000 torr transducer and rotary pump. It is optionally offered with two analysis stations, and is up-gradeable to Chemi and MP versions.

Details, complete specifications, and options...

The Chemisorption model has the necessary additional features for characterizing catalysts using flow methods of preparation and static isotherm measurements, yet retains all of the advanced physisorption abilities of the MP version. A second physisorption station can be added.

Details, complete specifications, and options...


Now available with optional 0.1 torr transducer: iQ-Chemi-XR

 Links

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