Nickel is indeed a catalyst, as just a quick search on google shows. ETrundel 13:59, 22 February 2009 (EST)
- But the information was added by a vandal, doubtless along with much other rubbish and lies. FJohn 14:06, 22 February 2009 (EST)
nickel (coin) should have separate page/removed from this page.
I think this should happen, any objections ? --Dvergne 00:13, 15 October 2012 (EDT)