Zinc sulphate heptahydrate 99.0-103.0%, Puriss., meets analytical specification of BP, Ph. Eur., USP, FCC, Fluka™
:7446-20-0
:
:ZnSO₄·7H₂O
:MFCD00149894
:12,10293
:100 °C
:1.96 g/cm³ (20 °C)
:231-793-3
:9,III
:287.54 g/mol
:GHS07
:GHS05
:Ambient
- Assay:99.0 - 103.0 %
- pH (5 %, 20°C):4.4 - 5.6
- Arsenic (As):Max. 2 ppm
- Calcium (Ca):Max. 0.005 %
- Cadmium (Cd):Max. 2 ppm
- Iron (Fe):Max. 10 ppm
- Mercury (Hg):Max. 2 ppm
- Potassium (K):Max. 0.01 %
- Magnesium (Mg):Max. 0.005 %
- Sodium (Na):Max. 0.01 %
- Lead (Pb):Max. 4 ppm
- Selenium (Se):Max. 0.001 %
- Chloride (Cl):Max. 50 ppm
- Appearance of the solution:complying
- Alkalis/earth alkalis (as SO₄):Max. 0.5 %
- Acidity:complying
- Residual solvents:complying