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Urine on Dry Denim

post #1 of 28
Thread Starter 
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?
post #2 of 28
He's my brother. I assure you he's not trolling - this is something he's been talking about for awhile.
post #3 of 28
Hmm...
post #4 of 28
you could start filling up empty bottles because you're gonna need a lot of urine to bleach your jeans. !luc
post #5 of 28
Incontinece is nothing to be ashamed of. If you peed in your pants, wash them.
post #6 of 28
Thread Starter 
Quote:
Originally Posted by StevenRocks
Incontinece is nothing to be ashamed of. If you peed in your pants, wash them.

I don't wanna mess up the wear pattern!
post #7 of 28
what a great sense of humour. you're certainly very original in your puns.
post #8 of 28
I think marc would take offense at the waste of the sweet nectar...
post #9 of 28
Quote:
Originally Posted by kwiteaboy
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.
post #10 of 28
? 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.
post #11 of 28
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.
post #12 of 28
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.
post #13 of 28
Thread Starter 
As far as I know, indigo was dissolved in vats of stale urine, into which cloth was dipped.
post #14 of 28
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.
post #15 of 28
Quote:
Originally Posted by Lloyd
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...
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