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Author Topic: HOW CAN I MAKE CRYSTALLIZED IODINE OUT OF POVIDONE IODINE. ?  (Read 19612 times)

Offline chewwcheww

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HOW CAN I MAKE CRYSTALLIZED IODINE OUT OF POVIDONE IODINE. CAN YOU DO IT THE SAME WHY AS YOU DO WITH TINCTURE OF IODINE?

THANKS
« Last Edit: 12/10/2007 03:22:14 by neilep »


 

Offline chewwcheww

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CAN YOU USE  titratable iodine
 

Offline eric l

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Povidone iodine is not pure iodine but a water soluble complex of iodine and polyvinylpyrrolidone.  It is available either as a solution in water or as a cream (blend with other components). 
Iodine tincture is a solution of pure iodine in ethanol.  (Iodine dissolves poorly in water).
Ethanol is far more volatile than water, so crystallization by evaporisation out of tincture is relatively easy.
Titratable iodine will probably be a complex of iodine and potassium iodide.  This KI3 is watersoluble.  But it will be much more difficult to crystallize iodine from this watersoluble complexes than from the tincture.
 

Offline lightarrow

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HOW CAN I MAKE CRYSTALLIZED IODINE OUT OF POVIDONE IODINE. CAN YOU DO IT THE SAME WHY AS YOU DO WITH TINCTURE OF IODINE?

THANKS
What do you want to use it for?
 

Offline Bored chemist

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I tend not to trust people who TYPE EVERYTHING IN CAPITALS and ask about chemicals know as drug manufacturing intermediates.
All iodine is titratable.
 

Offline chewwcheww

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i know i can crystallize tincture iodine, but its hard to find. Can i get titratable iodine into a purer forum? By removing water?
 

Offline eric l

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I tend not to trust people who TYPE EVERYTHING IN CAPITALS and ask about chemicals know as drug manufacturing intermediates.
I think chewwcheww is just a newbie in chemistry and trying to experiment with anything he finds in the family medicine box or the garden shed (like fertilizers).  And I distrust people who do not capitalize the "I" for the first person singular, because they may be lacking the precision and concentration needed to work with chemicals in a safety-conscious way.
« Last Edit: 10/10/2007 10:55:12 by eric l »
 

Offline lightarrow

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I tend not to trust people who TYPE EVERYTHING IN CAPITALS and ask about chemicals know as drug manufacturing intermediates.
I think chewwcheww is just a newbie in chemistry and trying to experiment with anything he finds in the family medicine box or the garden shed (like fertilizers).  And I distrust people who do not capitalize the "I" for the first person singular, because they may be lacking the precision and concentration needed to work with chemicals in a safety-conscious way.
And what do you think he wants to experiment with iodine? (I think I know).
 

Offline Bored chemist

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I could guess, but I don't plan to help him lose the ability to count to 10.
I'd like to know what he thinks "titratable iodine" means.
 

Offline chewwcheww

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Wow.. allot of Ass holes here. And it was for a PJAS projet for high school..

thanks,
''the newbie who can count to 10.''
 

Offline lightarrow

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Wow.. allot of Ass holes here. And it was for a PJAS projet for high school..

thanks,
''the newbie who can count to 10.''

Someone who don't write very well, tries to make KNO3 from fertilizer and asks about making I2 immediately after, puts me in alarm; I don't believe very much on the "PJAS projet" excuse.
 

Offline eric l

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''the newbie who can count to 10.''

You know about the 10 kinds of people ?  Those who understand binary and those who don't. ;)
 

Offline Bored chemist

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"''the newbie who can count to 10.''"
And if you are careful what you play with, you might keep things that way.

Incidentally, I don't understand the reference to a hole in or for a donkey; or did you mean arsehole?
Maybe it's a "wrong side of the pond" thing.
 

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