Installation and start-up
42
Edition 01/2014
contrAA 600
3.
Clean the furnace jacket and electrodes if necessary (
→
Section "Cleaning the graphite
4.
Insert the graphite tube (using tweezers or by hand, protected with cellulose wadding)
into the graphite tube furnace so that it is loosely seated on the supports of the furnace
jacket and the pipetter opening faces upwards.
For the graphite tube for solid analysis without a pipetter opening there is no preference
as to which side is on top.
5.
Close the graphite tube furnace with the
[Close furnace]
button.
6.
In the T
ube
area reset the
Heat cycles
and
Life time
parameters of the inserted graph-
ite tube to "0".
7.
Format the graphite tube: In the
Tube
area click the
[Formation]
button (
→
Section
"Formatting the graphite tube" p. 43).
Fig. 25
Graphite tube furnace opened with inserted graphite tube
Removing the graphite tube from the graphite tube furnace
CAUTION! RISK OF BURNING!
Allow the graphite tube furnace to cool down before removing the graphite tube.
CAUTION!
Never touch the graphite tube with your bare fingers!
Fingerprints burn into the surface, and this causes premature damage to the pyrolysis
coating of the tube.
1.
Open the graphite tube furnace with the
[Open furnace]
button in the
Furnace / Con-
trol
window (Fig. 24 p. 41).
2.
Remove the graphite tube with plastic tweezers, or by hand protected with cellulose
wadding.
3.
Insert the new graphite tube (see above) and/or close the graphite tube furnace.
