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  1. Citric Acid And Black Sand - Search by

    What I don't understand is the concentration of citric acid to use. ... To smelt black sand directly it ... Add acidic acid "cider vinegar" or Citric... to your black...
    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 over night... ... More tips for removing fine gold from black sands.
    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. remove black sand with nitric acid - Crusher South Africa

    Home > Mining Equipment > remove black sand with nitric acid. ... cream maker along with citric acid, ... nitric acid for removing black ...
    www.crushersouthafrica.com/…sand...nitric-acid.html
  5. Questions / confused on black sands. - Treasures

    I also hear that heating and cracking black sand and soaking in vinegar or citric acid releases gold that was not previously visible. ... muriatric acid on black sands,
    www.treasurenet.com/…ions-confused-black-sands.html
  6. 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 ... can you melt black sand out of gold, classifying black ...
    www.treasurenet.com/…041-black-sand-clean-up-3.html
  7. Citric Acid - Fail - Sawmill Creek

    Now I know why they call it citric ACID... Too long in citric acid and metal gets ... plane bed out of its citric bath ... to a flat surface and sand, ...
    www.sawmillcreek.org/…d.php?210070-Citric-Acid-Fail
  8. Yellow Staining, Acorbic Acid Works Well, BUT..... [Archive ...

    After having black bark mulch blow into the pool on the few windy days ... The pool is in-ground, 25000 gal, hayward sand filter, ... People have used citric acid, ...
    poolforum.com/pf2/archive/index.php/t-9460.html
  9. acids for beach sand washing - Newest Crusher, Grinding Mill ...

    How to Remove Gold from Black Sand with Nitric Acid | eHow . ... Add acidic acid "cider vinegar" or Citric acid... How to Keep Feet Clean: 9 Steps - wikiHow .
    www.crusherasia.com/feed/7799.html
  10. REFINING-RECOVERY AND REFINING WITH JUST NITRIC ACID SUBSTITUTE

    how can you refine with just nitric acid? the answer is simple, nitric acid or our nitric substitute acid will desolve all metals except for gold.
    bodyworkzsupply.com/pm-nitric.html
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