Ammonium Iron II Sulfate Hexahydrate Cryst .Pure

(NH4)2FE(SO4)2.6H2O

M = 392.14 g/mol

Specification :

Assay

[(NH4)2FE(SO4)2.6H2O]           >    99 %

CHLORIDE(CI)                             >   0.002 %

IRON (Fe+3)                                     0.02   %

Copper (Cu)                                     0.002  %

Substance not precipitated by

ammonia (as sulfates)                   0.1      %