Cobalt Sulfate Heptahydrate, Reagent

 
ResultLimits
Assay (CoSO4 · 7H2O):99.7%97.0% min.
pH of 5% soln. at 25°C: 4.933.0-7.0
Insoluble matter: 0.001%0.01% max.
Chloride: < 0.001%0.001% max.
Nitrate: < 0.001%0.005% max.
Copper: < 0.0001%0.002% max.
Iron: 0.002%0.005% max.
Lead: < 0.0001%0.002% max.
Nickel: 0.02%0.1% max.
Zinc: 0.002%0.02% max.
If you see this specification and nothing else
visit the
Barker Industries Product Page.