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  1. Citric Acid And Black Sand - Search by

    Now I know why they call it citric ACID... Too long in citric acid and metal gets ... Dave, I kind of doubt the citric acid caused the pitting in the sides.
    start.speedbit.com/….aspx\?q=Citric Acid And...
  2. Black Sand Gold Recovery - Part 2 - Gold Fever Prospecting

    Black Sand Gold Recovery ... Add acidic acid "cider vinegar" or Citric acid "stronger" and tumble ... Use you mouth to gently blow the remaining black sands away ...
    www.goldfeverprospecting.com/blsagorepa2.html
  3. Prospectors Paradise - Recreational Gold Prospecting - Acids ...

    Examples of weak acids are acetic, carbonic, citric and ascorbic. Furthermore, acids are ... Dealing with black sand ... acid. Simply take your gold with the black ...
    prospectorsparadise.com/…-blog/acids-and-bases.html
  4. WORKING BLACK SAND and SULFIDES in GOLD RECOVERY

    Hi Seeker - nice post. I've got a question fro you. Would oxalic acid work instead of cider vinegar or citric acid? It seems a shame to waste the cider!
    gpex.ca/smf/index.php?topic=6.0
  5. black sand clean up - Page 3 - Treasures

    Have you ever considered using citric acid or a salt roast over a hot fire to break down the oxides and allow ... Not all black sand will have coated gold hiding as ...
    www.treasurenet.com/…041-black-sand-clean-up-3.html
  6. black sand with nitric acid - Seo Test

    black sand with nitric acid, seotest.evoler.net, find your answer here.
    seotest.evoler.net/?q=black sand with nitric acid
  7. Yellow Staining, Acorbic Acid Works Well, BUT..... [Archive ...

    ... I began to notice the pool steps and liner begin to turn ... 25000 gal, hayward sand filter, hayward super pump, raypak ... People have used citric acid, ...
    poolforum.com/pf2/archive/index.php/t-9460.html
  8. How to Remove Gold from Black Sand with Nitric Acid | eHow

    How to Remove Gold from Black Sand with Nitric Acid. ... How to Remove Black Weave Glue From Matted Hair. How Do I Remove the Black From a Bad Dye Job? You May Also Like.
    www.ehow.com/…98_remove-black-sand-nitric-acid.html
  9. Citric Acid - Fail - Sawmill Creek

    Now I know why they call it citric ACID ... I forgot to take the plane bed out of its citric bath ... the sides had gone black and sanding it just brought out the ...
    www.sawmillcreek.org/…d.php?210070-Citric-Acid-Fail
  10. Cleaning the inside of copper still - Equipment - ADI Forums

    Cleaning the inside of copper still ... Professional Sand and Ice Sculptor ... I would do caustic first then citric or whatever acid you use.
    adiforums.com/index.php?showtopic=1987
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