AWWA ACE71091 PDF

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Effects of Alkalinity on Galvanic Corrosion of Lead Solder in Low Conductivity Waters
Conference Proceeding by American Water Works Association, 11/01/2009

Document Format: PDF

Description

This powerpoint presentation begins by providing a brief overview of galvanic corrosion and the theory of alkalinity mitigatingcorrosion by acting as a buffer or bycontributing to formation of protectivepipe scale. Study objectives were to: reproduce this trend undercontrolled circumstances;determine if there is an “optimally bad”amount of alkalinity; and,examine mechanisms for the trend – pH at anode, chloride concentration at anode, andgalvanic current with conductivity. Part I involved dump and fill jar testing. Part II involved using a electrochemical test cell toexamine conductivity effect. Includes figures.

Product Details

Edition:
Vol. – No.
Published:
11/01/2009
Number of Pages:
37
File Size:
1 file , 1.6 MB
Note:
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