Specifications

Reaction Mixing
NOTE The ability to control the solvent and gas flow in the reactor assembly allows
one to solvent to the reaction vessels, drain waste from the reaction vessels, collect
product. into vials, and provide a gas sweep over the reaction vessels. You may control
the solvent and gas flow by means of the Upper Manifold Control Valves and the
Metered Gas Valve. For instructions on setting the solvent and gas flow controls, see
Operating the Quest
210, Also, set the switch to "Open" when utilizing Manifold Control
Valve functionality such as solvent delivery, draining, venting and/or providing an inert gas
blanket..
Upper Manifold
The upper manifold is an aluminum and Teflon block that contains two common
pathways: one pathway is used for parallel solvent delivery, drain gas, and the Utility 1
port, the other pathway is used for venting, metered gas and the Utility
2 port. The
wetted portion of each pathway is Teflon.
Each pathway has a common channel and inlets to each reaction vessel. The common
channels also connect to the Manifold Control Valves, so that the source liquid or gas,
as selected by the valves, can flow into the common channel. Depending on how the
manifold control valves are set, these pathways can make possible solvent addition to
the reaction vessels, waste or product draining from the reaction vessels, or gas flow
over reaction solutions.
The Upper Manifold also contains a Teflon membrane which can seal against the
common paths and RV inlet paths to protect against crossover of the fluid or gas
contents of the
RVs. This membrane seal is accomplished by supplying
30 psi gas to
the outside of the membrane, forcing it to flatten against the flow paths of the Upper
Manifold.
A switch, labeled "Manifold," located at the top of the Quest Reactor
Assembly, controls the gas flow to this membrane, switching it from open to closed.
QUEST 210 User Manual
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