Chapter 6: Accessories for Your CentriVap Mobile System
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Installing a Glass Trap in the Cold Trap
An accessory Glass Trap is available for use in the Cold Trap for use when
corrosive chemicals are used that could attack the stainless steel chamber of the
Cold Trap. Lift and rotate the two lid latches. Disconnect the hose and remove the
Cold Trap Lid Assembly. Attach the hose from the Concentrator to the fitting on
the center tube of the Glass Trap. Attach the hose from the vacuum pump or
Secondary Trap to the other fitting on the Glass Trap.. Be certain that the drain
valve is closed. Add approximately 500 ml of ethyl alcohol to the stainless steel
trap or enough to insure that the Glass Trap is at least two-thirds immersed. Place
the Glass Trap inside the stainless steel trap, lift and rotate the two retainers to
hold the Glass Trap in place.
NOTE: After a run, if the ice in the glass trap has melted, the trap must be
emptied before the cold trap is started again to prevent it from breaking.
