2009 Edition, November 1, 2009
Standard Practice for Determining Vacuum Chamber Gaseous Environment Using a Cold Finger
Includes all amendments and changes through Reapproval Notice , 2015
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Description / Abstract:
This practice covers a technique for collecting samples of
materials that are part of the residual gas environment of an
evacuated vacuum chamber. The practice uses a device designated as
a “cold finger” that is placed within the environment to be sampled
and is cooled so that constituents of the environment are retained
on the cold-finger surface.