Re: ferric oxalate
12 Kasım 2008, Çarşamba, 10:24 am tarihinde, Loris Medici yazmış: > 12 Kasım 2008, Çarşamba, 10:15 am tarihinde, Alberto Novo yazmış: >>> I had the same experience at a workshop this summer... >>> powder formed incredibly hard, granite-like clumps that were >>> impossible to dissolve, even if you crushed the clumps via mortar and >>> pestle. >> >> Are you sure it were not ferrOUS oxalate, a yellowish powder instead of >> green crystals? I have never found ferric oxalate sold by the main >> chemistry >> suppliers. > > Is ferrous oxalate a defined compound? Can one oxidise it (w/ hyrdogen > peroxide) to get ferric oxalate? Nevermind, I found this: http://www.usask.ca/lists/alt-photo-process/2006/feb06/0341.htm Regards, Loris.
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