C. Gerhardt GmbH & Co. KG
21
6
Operation
Safety instructions
Attention when handling acids and alkalies! Please observe your
national safety regulations!
Use gloves when removing the glass digestion tube as this will
be very hot, and there is danger of burning!
Take care when handling glass parts and follow the national safety
regulations concerning the handling of glass parts!
Priming the system
Please make sure that the system is fully primed. This must be
performed before for the initial start, after longer working inter-
missions (holidays etc.) and each time after the inlet and outlet
tubes have been removed.
1.
Check the chemical tanks.
2.
Turn on the tap.
3.
Fill a digestion tube with about 50 ml of distilled H
2
O and
insert the inlet tube.
4.
Lower the quick clamping device and insert the digestion
tube.
5.
Ensure there is a tight fit between the tube and the Viton
cone.
6.
Insert the distillate outlet tube into an empty Erlenmeyer flask,
and place the flask into position.
7.
Close the protection door, and switch the distillation system
on.
8.
Keep the key „NaOH“ pressed until the sodium hydroxide
solution runs into the digestion tube.
9.
Lower the quick clamping device and remove the digestion
tube.
Priming
OPERATION
