Ferrous chloride tetrahydrate

Appearance

blue-green crystal

Conent(FeCl2·4H2O)

≥*9%

Insolubles in water

≤0.*1%

sulphate (SO**-)

≤0.**3%

Iron of high valence (Fe3+)

≤0.*1%

Copper (Cu)

≤0.**5%

Alkaline-earth metal

≤0.1%

Arsenic (As)

≤0.**3%

Zinc(Zn)

≤0.**5%

Manganse (Mn)

≤0.*7%

Lead (Pb)

≤0.**5%

Appearance

white grain or powder

Conent(FeCl2·2H2O)

≥*9.0%

Insolubles in water

≤0.**2%

sulphate (SO**-)

≤0.**4%

Iron of high valence (Fe3+)

≤0.*1%

Copper (Cu)

≤0.*1%

Alkaline-earth metal

≤0.1%

Arsenic (As)

≤0.**1%

Zinc(Zn)

≤0.**5%

Manganse (Mn)

≤0.*7%

Lead (Pb)

≤0.**5%

FeCl3·6H2O %

≥*9.0

≥*9.5

≥*9.5

Insolubles in water %

≤0.*1

≤0.*1

≤0.*1

Free acid (as HCL ) %

≤0.1

≤0.1

≤0.1

Sulfate (SO4) %

≤0.*1

≤0.*1

≤0.*1

Nitrate(NO3) %

≤0.*1

≤0.*1

≤0.*1

Phosphate(PO4) %

≤0.*1

≤0.*1

≤0.*1

Mn %

≤0.*2

≤0.*1

≤0.**1

Cu %

≤0.**5

≤0.**5

≤0.**1

Fe2+ %

≤0.**2

≤0.**2

≤0.**2

Zn %

≤0.**3

≤0.**3

≤0.**1

As %

≤0.**2

≤0.**1

≤0.***5

%
Unprecipitate by NH3(as SO**-)

≤0.1

≤0.1

≤0.1