Micromeritics Gemini VII 2390a Operator's Manual page 279

Gemini VII
4036- Fewer than 2 points available for Horvath-Kawazoe calculations.
Cause:
Action:
4037- Computations failed while processing the primary data set. No reports will be
produced.
Cause:
Action:
4038- Fewer than 2 points available for the Langmuir Qm computation. Cheng/Yang
correction will not be applied.
Cause:
Action:
239-42828-01 - Nov 2013
At least two data points must be selected for inclusion in the Horvath-
Kawazoe analysis on the Collected Data window. No report will be
produced.
From the Collected Data window, select the data points to be
analyzed.
The preparation of data for reporting could not be successfully
completed. No Horvath-Kawazoe reports will be produced. This
message will always be preceded with another one containing
additional information.
Refer to the number of the error message which preceded this one for
an explanation.
The Cheng/Yang correction to the Horvath-Kawazoe equation
requires the value of the monolayer volume as calculated from the
Langmuir equation. The isotherm must include at least two points
above 0.02 relative pressure for the Langmuir equation to be applied.
The analysis will be performed without the Cheng/Yang correction.
Deselect Apply Cheng/Yang correction on the Horvath-Kawazoe
Report Options window to prevent this message from appearing on
future reports.
Appendix B
B-13