Hi Douglas, I am only aware of Table J.1 in IEC 60950-1. Are there any other IEC standards that reference the same or a different table?
I do not know its source for sure, but the values given in this table seem to match those from the anodic index cited in Wikipedia (https://en.wikipedia.org/wiki/Galvanic_corrosion#Anodic_index), which gives the following reference: Wheeler, Gerson J., The design of electronic equipment: a manual for production and manufacturing, Prentice-Hall, 1972. Can anybody confirm that this is the source and happens to have a copy of the original publication? Kind regards, Bernd Von: Douglas E Powell <[email protected]> Gesendet: Freitag, 5. Februar 2021 19:05 An: [email protected] Betreff: [PSES] Friday Question - table of electrochemical potentials For years, I've used the same or similar table for dissimilar metals and the possibility of corrosion for "pairs of common metals in use". This table shows up in many IEC based standards and no one I know questions the validity. I got curious as to the source and why this particular list of "common metals" was chosen. Going as far back as the early 1990s I cannot find any attribution to the source material. Can anyone provide some background on this? Thanks, Doug -- Douglas E Powell Laporte, Colorado USA [email protected]<mailto:[email protected]> http://www.linkedin.com/in/dougp01<https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.linkedin.com%2Fin%2Fdougp01&data=04%7C01%7C%7Cf1bd65beb30b4b56e63208d8ca00abdc%7C39288a38ff19432c80111cd9d0dff445%7C0%7C0%7C637481451516750325%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=Bk8gGVbChDBVZEmGmC5SuuXySJtTdOINhiNyWlHavQc%3D&reserved=0> - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. 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