Ammonium Ferrous Sulphate AR Hexahydrate 500 Gram

PRODUCT CODE 457095
SYNONYMS (Mohr's salt),(Ammonium iron (II)
sulphate),(Ferrous ammonium sulphate)
C.I. NO. __
CASR NO. 7783-85-9
(NH4)2Fe(SO4)2.6H2O
ATOMIC OR MOLECULAR FORMULA (NH4)2Fe(SO4)2.6H2O
ATOMIC OR MOLECULAR WEIGHT 392.13
PROPERTIES Insoluble in alcohol, decomposes at 100 - 110°C,
deliquescent, affected by light.

PARAMETER LIMIT
Description Pale greenish blue crystals or crystalline powder.
Solubility 10% solution in freshly boiled and cooled water and dilute sulphuric acid is clear.
Minimum assay (Redox Titration) 99.0%
pH of (5% solution in water ) 3.0 - 5.0

MAXIMUM LIMIT OF IMPURITIES
Insoluble matter 0.01%
Chloride (Cl) 0.001%
Phosphate (PO4) 0.003%
Copper (Cu) 0.003%
Ferric ion (Fe3+
) 0.02%
Lead (Pb) 0.001%
Manganese (Mn) 0.05%
Zinc (Zn) 0.003%