Zinc Sulfate Heptahydrate, ACS, 99+%, 500g

Zinc Sulfate Heptahydrate, ACS, 99+%, 500g
For Research & Development
Not for drug, human, animal, or food use

Specifications:
Appearance (Color) Colorless
Appearance (Form) Crystals
Assay 99.0 – 103.0%
pH of a 5% Solution 4.4 – 6.0 @ 25 Deg. C
Insoluble Matter <0.01%
Chloride (Cl) <5 ppm
Nitrate (NO₃) <0.002%
Ammonium (NH₄) <0.001%
Calcium (Ca) <0.005%
Iron (Fe) <0.001%
Lead (Pb) <0.003%
Magnesium (Mg) <0.005%
Manganese (Mn) <3 ppm
Potassium (K) <0.01%
Sodium (Na) <0.5%

CAS: 7446-20-0

FORMULA: ZnSO_4•7H₂O