ASTM E834 PDF
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Standard Practice for Determining Vacuum Chamber Gaseous Environment Using a Cold Finger
Published by | Publication Date | Number of Pages |
ASTM | 04/01/2021 | 5 |
ASTM E834 – Standard Practice for Determining Vacuum Chamber Gaseous Environment Using a ColdFinger
1.1”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.
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