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Need Help with Formic Acid Formula.

Discussion in 'Tanning' started by wvufan, Dec 11, 2007.

  1. wvufan

    wvufan Guest

    Iam wanting to make a Pickle using Formic Acid, I have some that is 90% but all I can find is a Formula using 80% or 85%. Can someone help. Thanks in Advance.
     
  2. I can help with diluting it if that is what you are wanting to do...however, I would think that 90% would work fine if the recipe that you have calls for 85%.

    Formic acid can be diluted with water. Use the following formula.

    C1V1 = C2V2

    C= Concentration
    V= Volume

    Say...for example: If you want 20 Liters of an 80% solution and you have a 90% solution. Here is how you would work this out.

    90% x ___ Liters = 80% x 20 Liters

    90% x ____Liters = 1600

    1600 divided by 90 = 17.77 Liters

    So you would take 17.77 liters of your 90% and add enough water to make the total volume 20 liters.

    Hope this helps.
     

  3. cyclone

    cyclone Posts: 400001

    For the first important oversite......

    NEVER, EVER under any circumstances add water to acid.... :eek:

    You may; however, add your acid to the water...slowly..(granted that formic isn't that dangerous in this case, but don't make this mistake with sulfuric...)

    Secondly, this isn't quite rocket science as George would say, but..

    You simply would have to add 5% less of your 90% than of your 85%.. but what the heck, it's just a pickle, add about the same amount and check the pH.. after stirring.;)
     
  4. John W.

    John W. New Member

    239
    0
    Just use the same formula with the 90%. ;D