and it's gallium, known to dissolve a lot of other metals as well. Copper and stainless steel are no go - for gallium alloys are even more corrosive (than pure

and it's gallium, known to dissolve a lot of other metals as well. Copper and stainless steel are no go - for gallium alloys are even more corrosive (than pure Ga). Nickel is likely ok - I suppose the properties of the Ga/Pt are rather unknown.