ASTM B 826 Standard Test Method for Monitoring Atmospheric Corrosion Tests by Electrical Resistance Probes
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ASTM B 826 Document Information:
Title
Standard Test Method for Monitoring Atmospheric Corrosion Tests by Electrical Resistance Probes
ASTM International
Publication Date:
Jun 10, 2003
Scope:
This test method provides a means for monitoring corrosivity of
environmental tests that involve
exposure to corrosive gases.
This test method uses a resistance monitor (RM) probe fabricated from
a chosen metal conductor,
with one conductor segment uncovered to permit exposure of the chosen
metal conductor to the
corrosive gas mixture and the second conductor segment covered to
protect the metal conductor of
this segment from direct attack by the corrosive gas mixture. The
covered conductor segment
provides a reference for evaluating changes in the uncovered segment.
The ratio of the resistance
of the exposed segment to that of the covered segment provides a
measure of the amount of metal
conductor that has reacted with the corrosive gas test environment to
form poorly conducting
corrosion product, thus providing a measure of test corrosivity.
Resistance monitoring is applicable to a broad range of test
conditions by selection of the
appropriate metal conductor and initial metal thickness.
This method is similar in intent to Test Methods B 808.
This standard does not purport to address all of the safety concerns,
if any, associated with its
use. It is the responsibility of the user of this standard to become
familiar with all hazards
including those identified in the appropriate Material Safety Data
Sheet for this product/material
as provided by the manufacturer, to establish appropriate safety and
health practices, and
determine the applicability of regulatory limitations prior to use.
Keywords:
- atmospheric corrosion monitor
- atmospheric corrosion testing
- corrosivity monitor
- electrical resistance probe
- environmental test
- mixed flowing gas test
- resistance monitor probe
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