Cobalt Sulfate
Formula: CoSO4• 7H2O
Appearance: Rose crystal. It becomes red powder after losing crystal water, soluble in water and carbinol, slightly soluble in alcohol.
Chemical compositions:(%)
Co ≥20 Ni ≤0.05 Fe ≤0.005 Cu ≤0.005
Mn ≤0.001 Zn ≤0.005 Ci ≤0.005...
Cobalt Oxalate
Appearance: Light reddish powder
Physical& chemical Quality:
Co min(%) 31
Impurities Max(%)
NI 0.005 FE 0.002 Cu 0.002 Mn 0.002
Zn 0.002 As 0.002 Ca 0.002 Mg 0.002
Na 0.002 Al 0.001 Cl 0.006 H2O 0.02
Apparent...
Cobalt Oxide Powder
Formula: Co2O3 Co2O3 CoO
Appearance: Black grey powder
Physical& chemical Quality:
Grades A B
Co min(%) 72 72
Ni 0.1 0.1
Fe 0.4 0.4
Cu 0.2 0.2
Mn 0.2 0.2
Zn 0.2...
Cobalt Black Oxide
Formula: Co3O4
Appearance: Grey-black powder
Physical& chemical Quality:
Co3O ≥99.5
Co 73-74 Ni 0.05 Fe 0.02 Cu 0.01 Mn 0.01 Zn 0.005
Ca 0.01 Mg 0.01 Na 0.01 AI 0.005 Si 0.02 S 0.005
Pb 0.003 C 0.01 K 0.005 As 0.005
Tap...
Cobalt chloride
Appearance: Red crystal. Easily deliquescent in wet air, soluble in water, alcohol and acetone, it becomes light-blue powder after losing the crystal water.
Chemical compositions: (%)
Co ≥24 Ni ≤0.005 Fe ≤0.002 Cu ≤0.005
Mn ≤0.01 Zn ≤0.05 As ≤0.002...
Refined Cobalt Oxide Powder
Formula: Co2O3
Appearance: Black- grey powder
Physical& chemical Quality:
Impuritis (%) max
Co min 70 Ni 0.1 Fe 0.04 Cu 0.02 Mn 0.015
As 0.02 Ca 0.01 Na 0.008 Mg 0.02 Zn 0.005
Si 0.02 Pb 0.005...