Refining silver. Can I turn 925 sterling into 999?

Discussion in 'Silver' started by Buffaloknight, Aug 6, 2020.

  1. Buffaloknight

    Buffaloknight Active Member

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    I have collected a crap load of sterling over the years.
    Around 7kg. Is it possible to turn it into 999 bars? Do any companies offer this service?

    I live in Melbourne.
     
  2. wrcmad

    wrcmad Well-Known Member Silver Stacker

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    Yes you can.
    All you need is nitric acid, and a little know-how.

    Probably easier to sell sterling as scrap, and rebuy 999 bars from a reputable brand.
     
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  3. Trident

    Trident Member Silver Stacker

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    Try this team -> https://palloys.com/refine
     
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  4. shinymetal

    shinymetal Well-Known Member

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    DIY it, and pour a Crap ton of half ounce bars with a nice stamp on them, sell bars at premium.
    Profit.
     
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  5. Buffaloknight

    Buffaloknight Active Member

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    Thanks Trident for the suggestion.

    I will use that company once this lockdown ends and report the results:)
     
  6. Jason1

    Jason1 Well-Known Member

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    There are bunch if refineries who deal with the public.
     
  7. Buffaloknight

    Buffaloknight Active Member

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    Has anyone used a company/refinery to refine silver or gold into bars before? Is it very expensive? Do they do small lots? Im quite curious about this.
     
  8. Ag bullet

    Ag bullet Well-Known Member

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    The moment you dissolve it in nitric acid or melt them you lose any original hallmarking. This introduces doubt about the level of purity that exists in the mind of the buyers. You then have to have them XRF'ed then try to sell them and if your refining techniques aren't top notch you might not get 99.9% purity anyway.
    Don't be surprised if you have to price them below spot to sell them.

    the successful backyard pourers have spent a long time building a good reputation on the purity of their products. the first time hobbyist won't be able to command the same level of respect from buyers.

    plus refining chemicals are expensive and so is the means of melting and pouring them
     
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  9. screwedon

    screwedon Member

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    Plus the byproducts of refining are really nasty. Try PWBeck in adelaide or Pallion all around the joint. PWB used to offer a pickup service but im not sure if thats trade only. The charge is fair but don't expect "your" silver back. They work in massive volumes and will issue you a credit note based on the amount of silver returned from your scrap. The scrap you supply them is premelted and a sample in a tiny glass tube is taken. They then do a scan to precisely measure the elemental contents so as to be able to calculate metal returns.
     
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  10. The Crow

    The Crow Member Silver Stacker

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    Having done enough of the refining for the sake of a hobby, my comment is that, other than as a hobby & entertainment, it really isn't worth it. Unless perhaps you decide to take it seriously and can source scrap silver cheap enough. Why? as mentioned above, you lose the 'hallmarking' or whatever identification the silver had, therefore making its quality dubious to any serious buyer. Unless you are prepared to invest in certification of purity - not really suitable for a true amateur. Then there is the cost and other risks associated with the refining process - thankfully my toe healed from the rather nasty hole I put in it. It seems it is no smarter to refine metals wearing thongs than it is to weld steel wearing them. Then there is the loss - you simply don't get back what you put in.

    Can it be fun? Yes.
    Can it be rewarding? Depends on the cost of the raw materials, cost of chemicals, knowledge/skill, marketing ability.

    In a nutshell - do it for the fun of it or sell the scrap as such and buy bars. The latter is the better way to make money.
     

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