Home Cosmetic Science Talk Formulating General The best way to dissolve

  • The best way to dissolve

    Posted by Stanley on December 31, 2021 at 11:49 pm

    Having an issue dissolving pink salt to create a solution.  I am trying to “tweek” a custom formula into grams that hasn’t work.

    the original formula used 6 lbs to a 1gallon.  The process is super slow.

    I am wondering with this difficulty how would this be done in manufacturing?

    Stanley replied 2 years, 8 months ago 6 Members · 9 Replies
  • 9 Replies
  • Syl

    Member
    January 1, 2022 at 8:33 pm

    I am not sure I understand your process, are you dissolving pink salt in water? 

  • Mayday

    Member
    January 2, 2022 at 12:09 am

    That seems like a lot of sodium chloride. Solubility at 25C is only 360g to 1000g water. So 3 lb NaCl to 8.33 lb water (1 gal).

    Are you trying to saturate a water solution, or are you doing something else like a suspension?

  • Pharma

    Member
    January 3, 2022 at 8:33 pm

    Pink salt? You mean that stuff also called Himalaya salt which it’s most often mined (or forged) in the Pakistan privince of Punjab about 2000 kilometres away from the Himalayas?

  • Stanley

    Member
    January 4, 2022 at 7:34 pm

    Yes, Himalayan salt. I am trying to work with a DIY process that was given to me to see if it works or not.   I am noticing the process really can’t be done the way it was given to me.

  • Abdullah

    Member
    January 5, 2022 at 5:17 am

    First crush the salt to turn it to powder. Then dissolve it very easily in water. No problem. 

  • Stanley

    Member
    January 5, 2022 at 2:25 pm

    No.. I wouldn’t have written here if it was that easy.  Salt only has 30-35% solubility in water.  I was testing a DIY project that was given to me to see if it could be reproduced the way they did it with the same results.  Thank you for the in put.

  • OldPerry

    Member
    January 5, 2022 at 2:49 pm

    If the “salt” was sodium nitrate you could dissolve that much in water.  So, if you did a blend of sodium nitrate and sodium chloride you could probably get your 6lbs to a gallon ratio.

  • Pharma

    Member
    January 5, 2022 at 7:48 pm
    Since we’re already drifting OT: why not go with ammonium nitrate instead and, quite literally, get more bang for your buck :smiley: .
    Seriously, that pink salt might actually be manganese sulfate monohydrate which has a solubility just slightly above the 6 lbs per gallon??
    BTW heating can speed up dissolution but, in case of sodium chloride, won’t increase solubility much (other salts are soluble at considerably higher % in hot water and will crystallise out upon cooling).
  • Stanley

    Member
    January 7, 2022 at 9:31 pm

    A seriously good idea…. my DIY person is stuck on pink salt as being the magical cure…. :)

Log in to reply.

Chemists Corner