Fant denne på nettet.. Høres litt pussig ut, men noen med litt h2o2 å avse som kunne tenke seg å prøve?

I have found a very easy way to make iron (III) oxide, Fe2O3.... from iron

Pour some Hydrogen Peroxide [link is to product info at Amazon], 3% on to iron and it turns a nice reddish brown rust immediately on contact... wait for it to evaporate and you got some rust.. useful for things like thermite