Insert the thermowell into the hole in the center of the condensation shield. Thread the vessel
2.6.
cap on hand tight (Figure 4).
Using the wrench set, seal the vessel by tightening the vessel cap onto the vessel body an
2.7.
additional 1/4 to 3/8 turn (Figure 4).
Place the sealed vessel in a 400-500 mL Pyrex beaker containing dry ice and acetone to
2.8.
freeze the acid in the bottom of the vessel.
Once the acid in the vessel is frozen, remove the vessel from the bath. Thread the tubing
2.9.
from the “To Vessel” port on the valve panel assembly through the top of the attenuator port
opening. Secure the end of the tubing onto the open port of the vessel using an open ferrule
nut (Figure 5).
Place the vessel assembly into the Discover microwave cavity. Secure the attenuator into
2.10.
position (Figure 5).
Insert the fiber-optic probe though the attenuator port into the thermowell (through then center
2.11.
port of the vessel cap) just until resistance is felt.
Figure 4. Vessel Assembly.
Figure 5. Connecting Vessel to Valve Panel and Securing in Reactor.
NOTE
Freezing the acid solution may take up to 15 minutes.
