Specifications

Providing a Gas Sweep over the Reaction Vessels
5. Replace the luer plug onto the solid entry port.
6. Place both Manifold Control Valves to "Closed."
Providing a Gas Sweep over the Reaction Vessels
It is possible to provide a low flow rate sweep of the reaction vessel upper head space
with nitrogen (or system gas) during reagent addition, or while a reaction is in progress.
This is accomplished by setting the right hand Manifold Control Valve to "Metered
Gas, and the left hand valve to Utility
1. The gas flow will flow out of the Utility 1 port
located at the top of the instrument.
drain
solvent closed
utility
1
metered gas
vent
0 closed
utility
2
It is recommended to attach a Teflon Vent tube (Found in the accessory kit), or oil
bubbler to the Utility 1 port with the outlet pointed away from the Quest, towards the
back of the fume hood.
Fittings are provided to interface with external accessories such as an oil bubbler. These
fittings have a 114"-
28 thread finish.
The flow of gas from the Metered gas source is regulated by a needle valve found on
the top of the Quest Reactor Unit.
To modify the gas flow rate, turn the metered gas control valve counter clockwise to
increase the gas flow rate and clockwise to decrease the gas flow rate.
NOTE The use of a gas sweep may result in solvent loss, especially when heating.
QUEST 21 0 User Manual
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