Cobalt carbonate
Molecular formula: CoCO3
Appearance: gray-red powder, soluble in dilute acid and ammonia solution, insoluble in cold water, hot water decomposition.
Uses: battery materials, feed additives, cobalt pigments, ceramic colorants, raw cobalt salt catalyst.
Cobalt oxide
Molecular formula: CoO
Molecular weight: 74.93
Appearance: gray powder.
Purposes: for paint pigments, ceramic glazes and cobalt catalysts
Cobalt sulfate
Molecular formula: CoSO4.7H20
Molecular Weight: 281.10
Characteristics: pale brown crystals, soluble in water, slightly soluble in ethanol, in the air easily weathered.
Uses: Mainly used in battery and glass enamel coloring. System of cobalt compounds, coatings industry as paint driers.
Cobalt chloride
Molecular formula: CoCl2.6H2O
Molecular Weight: 182.98
Appearance: red or purple crystals, soluble in water.
Uses: used in electroplating, paint driers, ammonia absorption.
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