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Copper Plating |
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Silver Strike Solutions |
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about 5 g of sodium dithionite is needed to treat each liter of thiosulfate fixer from the photographic developing process, and about 4 g is needed to treat 11 of rinse obt... |
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decorative designs can be etched on silver with chlorine free nitric acid. for matt effects, use the acid at 24? be. another mordant for silver is: |
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