109426  Zinc sulfate heptahydrate

ZnSO₄.7H₂O

Zinc vitriol

CAS-No.7446-20-0 EC-No.231-793-3 HS-No.28332600

M=287.54g/mol Spec.density 1.97g/cm³ (20°C)

Melting point 100°C

   R 36/38-50/53 S 22-25-60-61UN 3077

Zinc sulfate heptahydrate  AR

Specification  GB/T 666-1993

Assay(ZnSO₄.7H₂O)

>=99.5%

PH value(50g/Lsolution),25°C

4.4~6.0

Clarity of solution

pass

Insoluble matter in water

<=0.01%

Chloride(Cl)

<=0.0005%

Total nitrogen(N)

<=0.001%

Arsenic(As)

<=0.00005%

Manganese(Mn)

<=0.0003%

Iron(Fe)

<=0.0005%

Copper(Cu)

<=0.001%

Cadmium(Cd)

<=0.0005%

Lead(Pb)

<=0.001%

Substance not deposit in ammonium sulfide(as SO₄)

<=0.05%

Ord.No.

Packaging

Quantity

1.09426.010

Plastic bottle

500g

Zinc sulfate heptahydrate  CP

Specification  GB/T 666-1993

Assay(ZnSO₄.7H₂O)

>=99.0%

PH value(50g/Lsolution),25°C

4.4~6.0

Clarity of solution

pass

Insoluble matter in water

<=0.02%

Chloride(Cl)

<=0.002%

Total nitrogen(N)

<=0.002%

Arsenic(As)

<=0.0002%