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Topic: silver recovery from photo waste chemical  (Read 3970 times)

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Offline ashraf

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silver recovery from photo waste chemical
« on: March 25, 2007, 07:29:35 AM »
hello dear friends i have a problem..

i have ppts the silver from waste photo chemical by sodium sulfide and sludge filter out now i am facing the problem of purefaction of silver .. any body help me about this....

bye
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Offline xiankai

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Re: silver recovery from photo waste chemical
« Reply #1 on: March 25, 2007, 09:05:04 AM »
silver forms an amalgam with mercury, which means the amalgam may be separated from the sludge and then mercury separated from the amalgam. im not sure about the details but perhaps this would be a start for you
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