ASTM F 111 Standard Practice for Determining Barium Yield, Getter Gas Content, and Getter Sorption Capacity for Barium Flash Getters
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ASTM F 111 Document Information:
Title
Standard Practice for Determining Barium Yield, Getter Gas Content, and Getter Sorption Capacity for Barium Flash Getters
ASTM International
Publication Date:
Jun 10, 1996
Scope:
This practice describes techniques for the determination of evaporated
barium yield, getter gas
content, and getter carbon monoxide sorption capacity for barium flash
getters used in electron
devices. Test conditions are chosen to approximate use conditions.
Auxiliary procedures for cleaning, for determining vacuum system
leak-up rates, for flashing
getters, and for determining barium content in both getter fill and
films are also given.
The various tests described are destructive in nature. In general the
tests are semiquantitative
but they can be expected to yield comparative information on a
single-laboratory basis to the
precision indicated. No information relative to multi-laboratory
reproducibility is available.
List of Methods Described:
This standard does not purport to address all of the safety concerns,
if any, associated with its
use. It is the responsibility of whoever uses this standard to consult
and establish appropriate
safety and health practices and determine the applicability of
regulatory limitations prior to use.
Specific hazard statements are given in Section 4.
Keywords:
- barium content
- barium yield
- getter materials
- getter sorption capacity
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