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Title: Copper corrosion kinetics and mechanisms in the presence of chlorine and orthophosphate
Authors: Zhe, Y.
Pehkonen, S.O. 
Keywords: Chlorine
Issue Date: 2004
Citation: Zhe, Y.,Pehkonen, S.O. (2004). Copper corrosion kinetics and mechanisms in the presence of chlorine and orthophosphate. Water Science and Technology 49 (2) : 73-81. ScholarBank@NUS Repository.
Abstract: Copper corrosion in the presence of orthophosphate and chlorine has indicated the formation of a protective scale containing either CuO or Gu2O depending on the pH. Furthermore, the scale forms relatively quickly, after 15 days of immersion EIS showed very little change. The scale is initially porous, but after prolonged immersion, the porous structure disappears, as evidenced by SEM. The equivalent circuit that is used to model the EIS spectra fits the data well and yields useful information on values, such as Rct, which varies from 2 to 10 kω and Rfilm, which varies from 15 to 80 kω when the immersion time is extended from 2 to 30 days.
Source Title: Water Science and Technology
ISSN: 02731223
Appears in Collections:Staff Publications

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