Ammonium ferrous sulfate hexahydrate 7783-85-9


Product Deail


Ammonium ferrous sulfate hexahydrate

Another name】Ferrous ammonium alum; Low iron vitriol; Mohr's salt; Moore salt; Martians salt.

Description】Pale blue-green crystals or particles, relative density 1.864, light sensitive, gradually weathering and oxidizing in air. Decompose at about 100-110℃, soluble in water, insoluble in alcohol.

Test item

AR

CP

Other

Assay[(NH4)2Fe(SO4)2•6H2O] /%

≥99.5

≥99.0

Custom

pH(50g/L,25℃)

3.0-5.0

3.0-5.0

Water insoluble /%

≤0.005

≤0.02

Chloride(Cl) /%

≤0.001

≤0.005

Phosphate(PO4) /%

≤0.000 5

≤0.002

Manganese(Mn) /%

≤0.05

-

Ferric iron(Fe3+) /%

≤0.01

≤0.02

Copper(Cu) /%

≤0.002

≤0.01

Zinc(Zn) /%

≤0.003

≤0.02

Lead(Pb) /%

≤0.002

≤0.004

Ammonia water does not precipitate (as SO4) /%

≤0.1

≤0.2

Use】Used for analytical reagents, such as preparation of ferrous ion standard solution; Also used as polymerization catalyst; Can be used as water purification agent; Raw materials for the preparation of other iron compounds, such as iron oxide pigments, magnetic materials, yellow blood salts and other iron salts; Can be used as a mordant in printing and dyeing industry; Used for tanning leather in the leather industry; Used as an antiseptic in the wood industry.