Adsorptive Properties
File > Open > [.../param/*.ADP]
Field or Button | Description | ||
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Adsorptive [drop‑down box] | Name of the adsorptive gas whose properties are being defined. | ||
Mnemonic [text box] | Enter the mnemonic name for the adsorptive. | ||
Hard-sphere diameter [text box] |
An estimate of molecular size used in calculating the thermal transpiration correction. |
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Molecular cross-sectional area [text box] | The area that a single adsorbed molecule occupies on the surface of the sample. It is used in surface area calculations. | ||
Molecular weight [text box] | The molecular mass is used for the weight % column of the isotherm tabular report and for the pressure composition isotherm plot. | ||
Thermal conductivity [text box] |
See Gas Charts. |
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Mass flow constant [text box] | Scaling factor for the Mass Flow Controller measured flow rate. Applicable only for the gas used in the flow prep tasks. The default is preset for gases provided with the application. | ||
Estimate Thermal Conductivity and Mass Flow Constant [group box] |
Select if a gas blend will be used for the estimated Thermal Conductivity and Mass Flow Constant. Select the gases to be used in the blend. |
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Vapor [check box] |
Select if vapor is going to be used and enter the vapor defaults. High-resolution fluid properties. Use to import parameters from a Fluid Properties (.FPI) file. Changing fluid properties should only be necessary if an adsorptive is to be used for which no adsorptive properties are provided. Contact Micromeritics Scientific Services if new fluid properties are required. Antoine equation... Enter the Antoine constants.
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