
AMI Hydrazine
Maintenance
A-96.250.501 / 280915
45
6.8.
Changing the Diffusion Tube
Shut down the instrument as described in
Consider the Warning concerning Diisopropylamine handling.
The correct measuring value will appear after 30 min of continuous
operation (flow and power on). Diisopropylamine needs roughly
30 min to penetrate the walls of the new diffusion tube.
1
Fill roughly 750 ml high purity water into a 1 l bea-
ker.
2
Unscrew and remove Diisopropylamine bottle
from the holder.
3
Close the bottle immediately.
4
Remove the old diffusion tube from the steel
tubes.
5
Dip the new diffusion tube into the beaker filled
with high purity water and rinse it some seconds.
6
Push the new diffusion tube over the steel tubes.
7
Open the reagent bottle and slide it over the diffu-
sions tube.
Note:
Ensure that the diffusions tube lies pretzel-
shaped in the reagent bottle as shown in the
picture.
8
Screw the bottle into the holder.