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#1 |
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Member
Join Date: Oct 2007
Posts: 2,818
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Although Ben is no longer with us on the forum journey, I believe this is what he was referring to.
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#2 |
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Member
Join Date: Mar 2006
Location: Room 101, Glos. UK
Posts: 4,263
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Silver turns black quickly in sulphur compounds . Egg yolk contains sulphur. A drop of egg yolk on the ganga will turn it black VERY quickly, depending on the silver content. Mine did.
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