• Skin

  urea become crystals

  Posted by smok on October 18, 2019 at 4:59 pm

  Urea has been stuck in water for a number of days and has become all

  Is a crystal

  what happened

  Is it still effective?

  smok replied 4 years, 6 months ago 4 Members · 5 Replies
• 5 Replies

• 

  Pharma

  Member

  October 18, 2019 at 6:55 pm

  Which % did you add and what else is in said solution?

• 

  smok

  Member

  October 19, 2019 at 9:27 am

  except water and urea

  50%
• 

  EVchem

  Member

  October 21, 2019 at 5:06 pm

  50% urea in just water? well that’s why 
   That much urea is hard to solubilize, especially since it’s endothermic when dissolving.  
  

• 

  MarkBroussard

  Member

  October 21, 2019 at 5:14 pm

  If I recall correctly, the maxiumum solubility of Urea in water is about 17% Urea.  You can easily check the solubility with a simple Google search.

• 

  smok

  Member

  October 22, 2019 at 8:22 am

  sory i mean 5%

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