old german (?!) hunting sword/dagger to date

kronckew · 18th November 2016, 07:37 PM

a tiny drop of bleach on silver will turn it black, the purer the silver, the faster it reacts. when satisfied, wash it off & re-polish the spot. if it DOESN'T blacken, it isn't silver. (clean the area beforehand to make sure there is no oil or grease/wax coating to give a false negative...)

egg yolk will also blacken real silver quite quickly, it has sulphur in the yolk part.

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18th November 2016, 07:37 PM	#13
kronckew Member Join Date: Mar 2006 Location: Room 101, Glos. UK Posts: 4,259	a tiny drop of bleach on silver will turn it black, the purer the silver, the faster it reacts. when satisfied, wash it off & re-polish the spot. if it DOESN'T blacken, it isn't silver. (clean the area beforehand to make sure there is no oil or grease/wax coating to give a false negative...) egg yolk will also blacken real silver quite quickly, it has sulphur in the yolk part.