Metrohm 714 IC Metrodata User Manual
Page 26
3 Learning by doing
IC Metrodata for Win95
20
Close chromatogram window
•
Close the chromatogram window. A window appears with the mes-
sage
Changes in *.chw.
Modified: Calibration, Integration, Peaks, Re-
port. Save changes?
•
Click the
Yes
button. A window appears with the message
*.chw al-
ready exists. Overwrite?
•
Click the
Yes
button. A window appears with the message
Method
*.mtw
was modified. Save changes?
•
Click the
Yes
button. The
File Save As
window appears.
•
Click the
OK
button. A window appears with the message
c:\..... al-
ready exists. Overwrite?
•
Click the
OK
button. Method and chromatogram are saved under
the selected name.
Record a sample chromatogram
•
Click on
or select
Load method and run
of the
Acquire
menu.
•
Select the previously saved method
*.mtw
in the
File Open
window
and click
OK
.
•
Enter a sample name (max. 14 characters, e.g. "drinking water") as
Ident
in the
Start Run
window.
•
If required, enter more parameters to characterize sample and ac-
quirement conditions.
•
Click the
OK
button.
The window for the on-line display of the chromatogram opens.
The status display in the upper left corner shows the message
Waiting
.
•
Set the injection valve at the 733 IC Separation Center to "FILL"
(manually or by program) and fill the sample loop with sample.
•
Set the injection valve at the 733 IC Separation Center to "INJECT"
(manually or by program). The data acquisition is started automati-
cally. The status display shows
Measure
, beside it running time,
analysis time and measuring signal (in mV) are displayed. As soon
as the analysis time has passed, the data acquisition is stopped
automatically and the chromatogram is integrated. The status dis-
play in the upper left corner shows the message
Waiting
again.
Now more samples can be recorded with the same method.
•
The name of the saved chromatogram is generated automatically
and contains date and time in a coded form:
1
st
numeral:
Alphabetical code for year
(e.g. h = 1997, i = 1998, k = 1999, etc.)