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theury of silver extraction from fixer without machine
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theury of silver extraction from fixer without machine

During the photographic film processing,Silver leachesinto thefixersolution (Sodium Thio-Sulphate) from the photographic film and formsSilver Thio-Sulphate complex ions. Thefixeris considered exhausted after becomingsilver-rich(~ 7 gm/l), as it can no more serve the purpose of fixing the film in effective manner.

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