NACE标准SP0169中的-850 mV电位准则
-850 mV Potential Criterion in NACE SP0169
摘 要
SP0169（前RP0169）标准在防腐蚀业界被广泛采用，但SP0169标准中关于阴极保护有效性的-850 mV(相对铜/硫酸铜参比电极,下同)通电电位准则存在技术争议，在SP0169-2007的修订过程中引起广泛的讨论。本工作对NACE标准的修订流程进行了介绍，从实践和理论的角度阐释了-850 mV准则的来历，并对-850 mV通电电位和极化电位准则的有效性进行了比较。
阴极保护
电位准则
-850 mV
通电电位
SP0169
cathodic protection
potential criterion
-850 mV
on-potential
Abstract
SP0169, former RP0169, is widely adopted by corrosion protection industry. However, the -850 mV on-potential criterion in this standard is controversial and has aroused extensive discussions. The present paper introduces the revision procedure of NACE's standard and explores the experimental and theoretical backgrounds of -850 mV criterion. The effectiveness of on-potential and polarization potential criteria is compared.
中图分类号 TG172 DOI 10.11973/fsyfh-201611014
所属栏目 应用技术
基金项目
收稿日期 2015/8/20
修改稿日期
网络出版日期
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备注付更扬（1970-）,工程师,本科,从事天然气管道运行管理相关工作,
引用该论文: FU Geng-yang. -850 mV Potential Criterion in NACE SP0169[J]. Corrosion & Protection, 2016, 37(11): 921
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参考文献
【1】NACE SP0169-2013Control of external corrosion on underground or submerged metallic piping systems[S].
【2】SONG F M,YU H. Evaluation of global cathodic protection criteria-part 1:criteria and relevance with cathodic protection theory[C]//Corrosion 2012.Houston,TX:NACE,200:1163.
【3】GUMMOW R A,FIEITSCH W,SEGALL S M. Would the real -850 mVCSE criterion please stand up[C]//Corrosion 2012.Houston,TX:NACE,2012:1347.
【4】CHMILAR J F. Nace international standard practice SP0169“Control of external corrosion on underground or submerged metallic piping systems”(formerly RP0169)[C]//NACE Northern Area Western Conference. Canada:NACE,2010.
【5】BARLO T J. Field testing the criteria for cathodic protection of buried pipelines[R]. AGA,Pipeline Research Committee,PR-208-163,1994.
【6】MARK M. Using failure probability plots to evaluate the effectiveness of using off vs. on potential CP criteria[J]. Materials Performance,2004(9):22-29.
【7】KUHN R J. Cathodic protection of underground pipe lines from soil corrosion[C]//API Proceedings. [S.l.]:[s.n.],1933:153-167.
【8】WEBSTER R D. Compensating for the IR drop component in pipe-to-soil potential measurements[C]//NACE Canadian Region,Western conference.[S.l.]:[s.n.],1985:4.
【9】SCHWERDTFEGER W J,MCDORMAN O N. Potential and current requirements for the cathodic protection of steel in soils[J]. Corrosion,NACE,1952(11).
【10】BARLO T J,BERRY W E. An assessment of the current criteria for cathodic protection of buried steel pipelines[J]. Materials Performance,1984(9):102-110.
【11】张平，龚树明. 南干线四川气田榕佛段外腐蚀调查总结[J]. 天然气与石油,2001,19(4):43-46.
【12】罗鹏，金鑫，徐承伟,等. 忠武管道阴极保护断电电位测量结果分析[J]. 腐蚀与防护,2011,32(3):224-231.
【13】彭荣,马学峰,黄海,等. 断电法在管道阴极保护效果评价中的运用[J]. 腐蚀与防护,2005,26(10):458-460.
【14】胡士信,熊信勇,石薇,等. 埋地钢质管道阴极保护真实电位的测量技术[J]. 腐蚀与防护,2005,26(7):297-301.
【15】王芷芳,朱安纲. 埋地钢质管道阴极保护电位测量中的IR降及其修正[J]. 腐蚀与防护,2003,24(3):110-118.
【2】SONG F M,YU H. Evaluation of global cathodic protection criteria-part 1:criteria and relevance with cathodic protection theory[C]//Corrosion 2012.Houston,TX:NACE,200:1163.
【3】GUMMOW R A,FIEITSCH W,SEGALL S M. Would the real -850 mVCSE criterion please stand up[C]//Corrosion 2012.Houston,TX:NACE,2012:1347.
【4】CHMILAR J F. Nace international standard practice SP0169“Control of external corrosion on underground or submerged metallic piping systems”(formerly RP0169)[C]//NACE Northern Area Western Conference. Canada:NACE,2010.
【5】BARLO T J. Field testing the criteria for cathodic protection of buried pipelines[R]. AGA,Pipeline Research Committee,PR-208-163,1994.
【6】MARK M. Using failure probability plots to evaluate the effectiveness of using off vs. on potential CP criteria[J]. Materials Performance,2004(9):22-29.
【7】KUHN R J. Cathodic protection of underground pipe lines from soil corrosion[C]//API Proceedings. [S.l.]:[s.n.],1933:153-167.
【8】WEBSTER R D. Compensating for the IR drop component in pipe-to-soil potential measurements[C]//NACE Canadian Region,Western conference.[S.l.]:[s.n.],1985:4.
【9】SCHWERDTFEGER W J,MCDORMAN O N. Potential and current requirements for the cathodic protection of steel in soils[J]. Corrosion,NACE,1952(11).
【10】BARLO T J,BERRY W E. An assessment of the current criteria for cathodic protection of buried steel pipelines[J]. Materials Performance,1984(9):102-110.
【11】张平，龚树明. 南干线四川气田榕佛段外腐蚀调查总结[J]. 天然气与石油,2001,19(4):43-46.
【12】罗鹏，金鑫，徐承伟,等. 忠武管道阴极保护断电电位测量结果分析[J]. 腐蚀与防护,2011,32(3):224-231.
【13】彭荣,马学峰,黄海,等. 断电法在管道阴极保护效果评价中的运用[J]. 腐蚀与防护,2005,26(10):458-460.
【14】胡士信,熊信勇,石薇,等. 埋地钢质管道阴极保护真实电位的测量技术[J]. 腐蚀与防护,2005,26(7):297-301.
【15】王芷芳,朱安纲. 埋地钢质管道阴极保护电位测量中的IR降及其修正[J]. 腐蚀与防护,2003,24(3):110-118.
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