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Author: Subject: How do I separate FeSO4 from fertilizer?
valeg96
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sad.gif posted on 17-5-2014 at 08:32
How do I separate FeSO4 from fertilizer?

I bought 1kg of FeSO4-based fertilizer. the label says "FeSO4x7H2O 90%" and it looks like green fine powder with brownish-ochra globules, I suppose the remaining 10% fertilizing compounds. How can I separate the two? If I make it crystallize, will the fertilizing stuff be excluded from the crystals? Is there another way?
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numos
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[*] posted on 17-5-2014 at 08:41


Sieve it, if the FeSO4 is finer than the globules, that should make it very easy. You should stop recrystallize afterwards if you want a pure product.



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