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AMI-micro Series: micro- and nanopores

Hardware and Operation

Each station in the AMI-micro has an independent dosing manifold with three pressure transducers: 1000, 10, and 1 (or 0.1) mmHg.  Each of the stations also includes an in-situ degassing module to allow for treatment of the sample to 400°C.  This in-situ degassing thus prevents any contamination during possible sample transfer.   In addition, the AMI-micro 100 and AMI-micro 200 are built with two dedicated degassing stations.

If multiple stations are selected, each station acts independently from the other.  Thus, the instrument can start sorption experiments on different samples at the same time.  Through software control, the AMI-micro can automatically:

Dose adsorbate
Raise and lower the dewar
Determine if equilibrium conditions are satisfied
Plot the real-time physisorption isotherm
Heat the sample for degassing
Measure p0 at each point with dedicated sensor
Automatically correct for Free Space with He
 

Techniques

The AMI-micro can display and interpret data in various methods, including:

Single or Multi-point BET surface area
Adsorption and Desorption isotherms
Langmuir surface area
External Surface Area (statistical thickness method)
BJH Pore Size Analysis
t-Plot
HK Pore Size Analysis
SF Pore Size Analysis
Average pore size, total pore volume

Specifications and Industries

The AMI-micro series can serve the following industries:

Catalyst Research
Ceramics
Oil and Gas
Activated Carbon and Carbon Black
Building Materials
Pigments, Paints, and Thickeners