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All 8 posts   Subject: how to remove HI stains from equipment?   Please login to post   Down

 
    aragorn
(Hive Bee)
04-23-04 16:32
No 502486
      how to remove HI stains from equipment?     

SWIM dreamed about ma synth via a HI/Rp reduction of ephedrine a long time ago,unfortunately the setup wasn´t leakproof and the HI corroded all metal equipment. Sure that´s irreversible but SWIMs problem is that the stains on plastic devices aren´t removable with common cleaning technics too.It seems that the plastic parts aren´t really damaged, the HI just coloured the surfaces. 

SWIM wonders if there´s a good method to remove such nasty stains.

Hive bee por vida!
 
 
 
 
    elfspice
(Hive Bee)
04-24-04 03:53
No 502602
User Picture 
      it's iodine     

not HI. I2 stains plastics permanently, you cannot remove the stain because to do that you would need an oxidiser which penetrates the plastic the same way as the iodine. there's probably an oxidiser that is nonpolar like iodine, but i don't know what it is. Just throw it away. Use only black plastics and rubber to avoid this in future. Or be prepared to throw out any polymer of any description.

It's vaguely possible if it was left in the sun the iodine might be liberated, heat and UV, heat subliming, UV promoting oxidation...
 
 
 
 
    place
(Hive Bee)
05-04-04 17:20
No 504805
      Iodine-go-away?     

what about if you get the yellow I2 colour on your hands, is it posseble to remove that with any solvent?

Flipside
 
 
 
 
    karl
(Hive Bee)
05-04-04 21:11
No 504853
User Picture 
      thiosulphate?     

Use an acidified thiosulphate solution to reduce the I2. Not sure if that is appropriate for your skin though i.e. acid strength
 
 
 
 
    ApprenticeCook
(Hive Bee)
05-05-04 02:08
No 504908
      Just let it wear off after a few days, unlike...     

Just let it wear off after a few days, unlike some other things it wont take that long to just go away.

Use solvents or acids on your hands is a no-no.... just leave your body to its own devices.
 
 
 
 
    elfspice
(Hive Bee)
05-05-04 02:28
No 504918
User Picture 
      sodium carbonate/bicarbonate?     

would sodium bicarbonate or sodium carbonate solution be alkaline to ionise the iodine?

thou knowest
 
 
 
 
    DrLucifer
(Hive Bee)
05-05-04 03:31
No 504936
User Picture 
      Iodine hands!     

Swim remembers the day when he had severe I2 stains on his hands (the day he didnt wear gloves) and the police rocked up to inspect swims guns.
Swim has an intercom at his gate w/camera, so after cursing about the I2 stains, his outburst was interrupted by Constable huey & loui talking through the intercom!!
swim almost died, he also almost shit myself!
Swim will point out that the police did not state they wanted to inspect the guns through the intercom, so he thought they were here to bust him.
To cut a long story short, I doused myself with deoderant and poured blue, green & red food dye all over my hands and shirt and said that i was tyedying an apron, lmao wink
I2 stains lasted about 10-12hrs.

I'm a diamond that is tired, of all the faces i've aquired.
 
 
 
 
    Martian_A
(Newbee)
11-13-04 12:40
No 541366
      Usually Homebrand Citrus ProductS:)     

Leave for 10-30 min, and see it disapear:)
 
 

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