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TriStar II Plus Software, Data and Monitoring

TriStar II PLUS Software, Data Presentation and Instrument Monitoring

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MicroActive for TriStar II PLUS Software

The intuitive MicroActive for TriStar II PLUS software gives the user the ability to interactively evaluate isotherm data and reduce the time required to obtain surface area and porosity results. It is not necessary to generate reports to view results. Calculations, such as the BET surface area transform plot, can be easily generated and adjusted. The selection bars allow for a range of data points to be quickly and easily selected. As a result, the summary of values derived from the calculations is instantly updated. Within the calculation window(s), the range of data used can be further refined.


Gas Adsorption and Mercury Intrusion Overlay Capability

MicroActive for the TriStar II PLUS software also includes a powerful utility that allows the user to overlay a mercury porosimetry pore size distribution with a pore size distribution calculated from gas adsorption isotherms. This new import function allows users to rapidly view micropore, mesopore, and macropore distributions in one easy-to-use application.

Overlay of BJH desorption and mercury intrusion log differential pore size distributions for alumina pellets


Python Programming Language IncludedThe Python programming language has been incorporated into the TriStar II PLUS software. This powerful scripting language allows users to develop extensions to the standard report library available within the TriStar II PLUS application.

New isotherm models or calculations are easily added to the report system. The Python interface to MicroActive allows users to customize their reports and extend the utility of MicroActive.

Dual DFT The Dual DFT NLDFT model allows the user to combine the information gathered from nitrogen and carbon dioxide isotherms to deliver a full pore size distribution on materials (such as carbon slit pores) where pores of molecular sizes are present. The range of pore size analysis in this method is extended to smaller pore sizes compared to the standard nitrogen analysis. This is due to the fact that CO2 can access some very small micropores that are not accessible to N2 at cryogenic temperatures due to size restrictions, connectivity problems, or extremely slow diffusion.

This advanced NLDFT method allows users to determine the pore size distribution of their sample using two isotherms.  In this example CO2 adsorption (red) at 273 K and nitrogen adsorption (green) at 77 K are used to calculate a single pore size distribution. Users do not have to cut and paste distributions from CO2 and nitrogen - a single distribution is determined using both isotherms.


Unique on screen operational dashboard

With a single click, the TriStar II Plus provides a powerful suite of information that allows the user to maintain the instrument in peak operating condition with real-time analysis views.


TriStar II PLUS: