Perform Digestion - MACHEREY-NAGEL NANOCOLOR VARIO C2 Manual

The heating block becomes very hot, there is a risk of burns. Do not insert your
fingers into the bores of the heating block. Close the protective lid during operation
and keep the lid closed during the entire heating and cooling phase.
Prepare the cuvettes as described in the instruction manual of the test kit and insert them into
the provided bores of the heating block (Figure 15). Close the protective lid(s) of the heating
block.

13.3 Perform digestion

The protective cover(s) must be installed and closed to prevent injury.
Risk of inhalation of irritant vapors. During digestion in an open system (e.g. digestion with
top‑mounted cooler) harmful vapors may escape. When performing a digestion with open
cuvettes (digestion with top‑mounted cooler), the heating block must be operated in a fume
hood.
Risk of chemical burns: If a cuvette breaks, make sure that the liquid does not come
into contact with the skin. If necessary, use an exhaust system to remove chemical
vapors.
Press to start the selected program. The selected temperature will flash on the display
during the heating phase. When the desired program temperature has been reached, a signal
tone sounds and the selected time runs out. The colon between hours and minutes flashes in
the display while the heating time is running.
During the heating phase, the current temperature can be displayed by pressing the
Manual heating block NANOCOLOR
50
Figure 15: Inserting cuvettes into the heating block
WARNING
WARNING
WARNING
WARNING
VARIO C2 / VARIO 4 EN, 08.2021
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key.