Nickel Sulfate Hexahydrate, Crystal, Reagent

Limit 
Assay: 98.0-102.0%
Insoluble Matter: 0.01% max.
Cobalt: 0.015% max.
Manganese: 0.002% max.
Iron: 10 ppm max.
Copper: 10 ppm max.
Chloride: 0.001% max.
Zinc: 0.001% max.
Calcium and Magnesium: 0.02% max.
Chromium: 0.001% max.
Heavy Metals(as Pb): 0.001% max.
Potassium: 0.01% max.
Sodium: 0.05% max.
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