cold trap


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cold trap

[′kōld ‚trap]
(mechanical engineering)
A tube whose walls are cooled with liquid nitrogen or some other liquid to condense vapors passing through it; used with diffusion pumps and to keep vapors from entering a McLeod gage.
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In planetary science, a cold trap is a region that's so cold, the water vapor and other volatiles which come into contact with the surface will remain stable for an extended period of time, perhaps up to several billion years.
A built-in cold trap provides high levels of solvent recovery, even with volatile organic solvents.
10 m of the Reactor Building (BR), - the creation of a PF300 / 400 Cold Trap Handling System Floor level of room 01211, level -6.
One of nitrogen's roles on Earth is to help form a low-temperature layer in the atmosphere that water can't get past, called a cold trap.
8226; Plans for polar cold trap craters, skylights, and peaks investigations
This allows operation without any cold trap, and thus reduces the total cost of ownership.
Included in the unit is the Concentrator and a -50degC Cold Trap to help protect the vacuum pump from corrosive effects of vapors and fumes as they evaporate from the samples.
The basic components of the microwave extraction system include a microwave source, waveguides to deliver the energy to the soft, and a cold trap to capture the water vapor.
Also unique to these concentrators is SpeedTrap, a frost-free, refrigerated cold trap that minimizes the traditional time required to dispose of removed solvent.
A simple cold trap interposed between the process chamber and the pump to condense the gases might suffice to keep them out of the pump.
Assembling thousands of ions in a cold trap produces the equivalent of a one-component plasma -- a collection of charged particles, all with the same mass and charge, embedded in a uniform, oppositely charged background.
Genevac's miVac SpeedTrap cold trap can now be used for freeze drying or configured as a combined concentration/freeze drying workstation.