Micromeritics Gemini VII 2390a, Operator'S Manual, Page: 141 / 426

Gemini VII Report Options Files
239-42828-01 - Dec 2012 5-31
Thickness Curve

group box (continued)
To import values from an existing thickness curve (.THK file), click
Open
and select the file containing the values. The table to be imported must be
saved as ASCII text with a .
THK
extension. It must have a two-column
format with the relative pressures in the first column and the thickness
values in the second column. Columns must be separated by a space or a
tab.
Kruk-Jaroniec-Sayari / Halsey / Harkins and Jura / Broekhoff-de
Boer / Carbon Black STSA
- select the thickness curve option and click
the
Edit
button. Modify the equation for the selected curve as needed.
Surface Area

group box
Select the surface area value used for thickness calculations. BET is the
most commonly used option.
Fitted thickness range
text boxes
Enter the minimum and maximum thicknesses to include in the thickness
curve. The values entered for the thicknesses can be expressed in
angstroms or nanometers. Select
Options > Units
to specify default units.
Refer to
UNIT MENU
, page
6-1
.
Field or Button Description (continued)