Metrohm 761 Compact IC User Manual
Page 74
3 Operating tutorial
761 Compact IC
64
5 Fill sample loop
⇒
Immerse the aspirating tubing 4 attached to connection 3 in
the vessel containing the drinking water sample.
⇒
Using the syringe fixed to connection 2 siphon in ca. 1 mL
drinking water.
6 Switch injection valve to "INJECT" position
⇒
Click on the
button of the 761 icon in the system
window to switch the injection valve to the "INJECT" position.
At the same time, the data recording is started automatically.
The status bar of the chromatogram window shows the mes-
sage
Measure
, the
SYSTEM STATE
window shows the mes-
sages
Running [761 Compact IC]
and
INJECT done [Suppressed]
.
⇒
When the analysis time of 24 min set in the method has
expired data recording is automatically stopped and the
chromatogram is integrated and evaluated. In the chroma-
togram window the peaks which have been found are num-
bered and the baseline drawn. In the
SYSTEM STATE
window
the message
Finished [Suppressed]
appears. It is now possible
to record further samples with the same system.
⇒
At the end of the determination, the chromatogram window is
closed and the chromatogram is saved automatically. The file
name is generated automatically and contains date and time
in a coded form:
1
st
numeral:
Alphabetical code for year
(e.g. j = 1999, k = 2000, l = 2001, etc.)
2
nd
numeral:
Code for month
(1...9 = Jan....Sept., a...c = Oct....Dec.)
3
rd
+4
th
numeral: Day (01 ... 31)
5
th
- 8
th
numeral: Time (hh:mm)