Method of evaluating corrosion resistance of material under ammonium bisulfide environment
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United States of America Patent
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Sep 8, 2009
Grant Date -
Sep 28, 2006
app pub date -
Oct 11, 2005
filing date -
Mar 25, 2005
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Abstract
It is an object to establish a test method that enables a high-concentration ammonium bisulfide environment to be reproduced at a laboratory level, and enables the corrosivity of a material to be evaluated easily and highly accurately. According to the test method, when evaluating the corrosion resistance of a material under an ammonium bisulfide environment, the corrosion resistance of the material is evaluated by simulating the relationship between the ammonium bisulfide concentration of a test solution and the pressure in advance, and then determining the ammonium bisulfide concentration from the pressure.
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