Ammonio-Sulphate of Iron. Ammonia Iron-Alum. A compound of Persulphate of Iron and Sulphate of Ammonia. (Fe2O3, 3 SO3 + NH4O2 SO3 + 24 HO.)

Med. Prop. and Action. Astringent and tonic. (See Ferri Potabsio-Sulphas.) Dose, gr. iij. - gr. vj.