Zusammenfassung der Ressource
Hydrated Ammonium Iron(ll) Sulphate
- 1. Mix a known mass of iron filings with an excess of warm sulphuric acid
- 2. Add the correct amount of ammonium solution to react completely with the iron
- 3. Leave to evapourate-blue/green crystalls will form (there will be solution left over)
- 4. Filter the crystals with filter paper, wash with distilled water, and dry between 2 pieces of filter paper