bismuthate
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Dry I2
OK I've seen a bunch of people who are having trouble drying iodine and I came to the solution that iodine should be produced in a way that involves
no water. So I tried just that.
Materials
1.9g NaIO3
3.8g Na2S2O5
(100mL) beaker
Hot plate or other heating device
RB flask with water in it
Setup
I placed the NaIO3 and Na2S2O5 together in the beaker which was on the hot plate. The RB flask was placed on top of the beaker to condense the I2.
https://www.dropbox.com/s/veroa9zkghacnnz/dry%20I2%20setup.j...
Procedure
Step 1 Heat the sh*t out of it. (I set my hot plate to max (280))
The iodine will, eventualy, start being evolved incredabley fast (the majority of the I2 evolution took place in a time of around 5 seconds) It was
one of the most amazing (and beautiful) reactions I’ve ever seen and I could get it one film if you people want.
https://www.dropbox.com/s/wp1s9dxeibns7ma/iodine%20sublimati...
Yield
I obtained a rather low yield of .3g (but seeing that unique iodine sublimation (much faster than the usual) made up for it
https://www.dropbox.com/s/gsdzo0x4dvil2bb/yield%20dry%20iodi...
Celebration of being an international hazard!
EDIT crap I have no Idea how to make the pictures work (fail)
[Edited on 23-3-2014 by bismuthate]
[Edited on 23-3-2014 by bismuthate]
[Edited on 23-3-2014 by bismuthate]
[Edited on 23-3-2014 by bismuthate]
[Edited on 23-3-2014 by bismuthate]
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Töilet Plünger
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Use the img tag and place a link to a sufficiently small image inside it.
This is a cool prep, but aren't iodates quite hard to find? I don't know of any routes that will convert iodides to iodates off the top of my head.
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bismuthate
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Yeah it is hard to find iodates, but I had some on hand. I can make a method that uses iodides instead of iodates if you're interested.
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copperastic
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Yes please bismuthate because i only have potassium iodide.
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bismuthate
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OK I'll have one pretty soon and I'll post it in this thread.
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copperastic
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ok thanks.
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bismuthate
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As it turns out I don't have any KI so I can only say that you best bet woul be KI,
NaHSO4, an MnO2 or KMnO4. I'll post a writeup if I get some KI soon.
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copperastic
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oh ok im getting a shipment that has NaHSO4 so thats great.
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