Ammonium Iron(iii) Sulfate Solution R2

Ferric ammonium sulfate solution R2; ferric ammonium sulphate solution R2; ammonium iron(iii) sulfate solution R2

A 10% w/v solution of ammonium iron(iii) sulfate. If necessary, filter before use.

Produces a deep red colour with ammonium thiocyanate in acid solutions.