There IS a catalytic reaction involving the Platinum .... but, Platinum is not the catalyst, the mathanol is!
go figure.
http://www.wrcs.org.au/articles/10.htm
http://www.fly-imaa.org/imaa/hfartic.../v11-1-44.html
http://www.holdfastmac.com.au/howglowplug.html
Learn something new every day.
gus