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497
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[*] posted on 16-10-2007 at 19:40
purifying low grade sulfur

does anyone know a good method of purifying fertilizer grade elemental sulfur? i have a bag of it and its pretty much useless unless i can purify it.
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[*] posted on 16-10-2007 at 19:46


IIRC, wash with water; melt and filter through paper; etc. If you're really into it, dissolve in hot CS2, filter and recrystallize, then distill a few times.

I forget what exactly Brauer says, but it's in there.

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[*] posted on 16-10-2007 at 20:12


There's been a thread on this before, UTFSE.

If you search for "garden sulfur" the FSE will return three threads, at least two of which appear helpful.

DETRITUS

[Edited on 17-10-2007 by Sauron]



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[*] posted on 16-10-2007 at 20:39


i did search, but apparently i missed it..
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[*] posted on 17-10-2007 at 05:37


"Teach a man to fish..."

Google "site:sciencemadness.org garden-sulfur"

The thread you want: http://www.sciencemadness.org/talk/viewthread.php?fid=12&...
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[*] posted on 17-10-2007 at 06:16


The FSE actually WORKS on this one, as I posted above. 497 obviously wasn't trying very hard and this thread surely is redundant.

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[*] posted on 17-10-2007 at 08:24


Use hot toluene for recrystalization.... although one would probably spend more on wasted solvents than ordering high purity sulfur from a pyro shop.



Not all chemicals are bad. Without chemicals such as hydrogen and oxygen, for example, there would be no way to make water, a vital ingredient in beer.
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