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Author: Subject: HEXAVALENT CHROMIUM
DJF90
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[*] posted on 11-12-2012 at 16:41


sodium metabisulfate solution completely reduces it to Cr(III). Precipitation as the (hydrous) oxide allows you to recover the chromium in a usable form.
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[*] posted on 11-12-2012 at 18:29


Quote: Originally posted by smaerd  
I just mean post-reaction, not that I want to toss it out, rather the waste from using it. Thanks for the advice though I'll have to look into that.

[Edited on 11-12-2012 by smaerd]


Oh, just pour it into sodium thiosulfate solution and wash glass used with it out with it
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