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Urine on Dry Denim

Discussion in 'Streetwear and Denim' started by kwiteaboy, Apr 15, 2006.

  1. kwiteaboy

    kwiteaboy Well-Known Member

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    I recall that indigo is insoluble in water, but soluble in urine, so my natural question is: would having a piss on my jeans wash a lot of indigo off, and leave a wicked wear pattern?
     
  2. seanchai

    seanchai Well-Known Member

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    He's my brother. I assure you he's not trolling - this is something he's been talking about for awhile.
     
  3. raley

    raley Well-Known Member

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  4. Luc-Emmanuel

    Luc-Emmanuel Well-Known Member

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    you could start filling up empty bottles because you're gonna need a lot of urine to bleach your jeans.

    !luc
     
  5. StevenRocks

    StevenRocks Well-Known Member

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    Incontinece is nothing to be ashamed of. If you peed in your pants, wash them.
     
  6. kwiteaboy

    kwiteaboy Well-Known Member

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    Incontinece is nothing to be ashamed of. If you peed in your pants, wash them.

    I don't wanna mess up the wear pattern!
     
  7. horriblyjollyjinx

    horriblyjollyjinx Well-Known Member

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    what a great sense of humour. you're certainly very original in your puns.
     
  8. Edward Appleby

    Edward Appleby Well-Known Member

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    I think marc would take offense at the waste of the sweet nectar...
     
  9. StevenRocks

    StevenRocks Well-Known Member

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    I don't wanna mess up the wear pattern!
    I think you'll be okay, man. Just wash them in cold and air dry or send them to a dry cleaner. You shouldn't see any difference in the wear pattern.
     
  10. Brian SD

    Brian SD Well-Known Member

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    ? I have not heard that indigo is soluble in urine. Urea is used for indigo to oxidize properly, and once it oxidizes and the garment is dyed, it wouldnt change anything, it's just another liquid, serving as a medium for the removal of dye.
     
  11. Lloyd

    Lloyd Member

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    Yeah urine is just a load of stuff (such as urea) dissolved in water anyway, so I doubt there is much difference between the solubility of indigo in water and piss.
     
  12. skalogre

    skalogre Well-Known Member

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    Urine was part of the traditional indigo dyeing process in Japan actually. I don't think you can find hakama anymore done that way but it was indeed used in the past.
     
  13. kwiteaboy

    kwiteaboy Well-Known Member

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    As far as I know, indigo was dissolved in vats of stale urine, into which cloth was dipped.
     
  14. Brian SD

    Brian SD Well-Known Member

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    Urine contains urea, which is why it was used in the oxidation process. You don't put the indigo in a vat of urine, you add some urea (urine) to a vat of water, with indigo. As I said, after it's oxidized, it's no longer especially soluble.
     
  15. Edward Appleby

    Edward Appleby Well-Known Member

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    Yeah urine is just a load of stuff (such as urea) dissolved in water anyway, so I doubt there is much difference between the solubility of indigo in water and piss.
    And hydrochloric acid is just a bunch of ions in solution in water, but I wouldn't consider the two to have similar solvencies...
     
  16. stach

    stach Well-Known Member

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    I was watching a documentary about Pompeii and they used to use urine to wash clothing. Laundrys would leave piss pots outside their doors and the guys would relieve themselves there. Who knew?
     
  17. Lloyd

    Lloyd Member

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    And hydrochloric acid is just a bunch of ions in solution in water, but I wouldn't consider the two to have similar solvencies...

    Yeah that was a non sequitur. Of course stuff floating about in a solvent could affect solubility of things in it.

    So, urea is used in dying with indigo to fix the dye in the fabric? Once the fabric is immersed in indigo solution, urea is added, so the indigo oxidises and can't be washed out?
     
  18. kwiteaboy

    kwiteaboy Well-Known Member

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    I thought it oxidized when it was removed from the solution and exposed to air?
     
  19. Brian SD

    Brian SD Well-Known Member

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    its oxidized when the vat is exposed to air. you dont remove the indigo from the solution
     
  20. kwiteaboy

    kwiteaboy Well-Known Member

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    I meant the cloth, so I guess we're talking the same thing? I'm retarded.
     

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