Corrosion Science and Technology

The Corrosion Science Society of Korea (한국부식방식학회)
권호 표지

The Influence of pH on Corrosion Behavior of Copper Tubes in Tap Water

수돗물의 pH가 동관의 부식에 미치는 영향

  • Min, Sung-Ki (School of Materials Science and Enginnering, Inha University) ;
  • Na, Seung-Chan (School of Materials Science and Enginnering, Inha University) ;
  • Hwang, Woon-Suk (School of Materials Science and Enginnering, Inha University)
  • 민성기 (인하대학교 신소재공학부) ;
  • 나승찬 (인하대학교 신소재공학부) ;
  • 황운석 (인하대학교 신소재공학부)
  • Received : 2009.12.02
  • Accepted : 2009.12.30
  • Published : 2009.12.01
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Abstract

Copper tubes are widely used in the distribution systems of drinking water throughout the world because of their excellent corrosion resistance, high thermal conductivity, and ease of fabrication. However, corrosion problems from copper tubes as blue water phenomenon and leakage have been reported appreciably. The effect of pH on the corrosion behavior of copper tube for tap water was investigated by electrochemical voltammetric techniques in synthetic tap water. And the copper corrosion cases were discussed from the viewpoint of factors affecting the corrosion rate such as pH, alkalinity, LSI(Langelier Saturation Index), and concentration of bicarbonate and dissolved carbon dioxide.

Keywords

References

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