fusso - 29-4-2019 at 07:41
I've dissolved some Nd magnets into HCl, I want to ppt Nd as oxalate. Is stoich amount of oxalic acid (just enough to ppt all Nd2ox3) enough or do I
need huge excess (much more than 3eq relative to all metals) to keep all Fe3+ as the soluble ferrioxalate ion?