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Persona de contacto Mr. Kim
17-F Block B, Sida Bld, Nanshan District, Shenzhen, Guangdong
Cobalt oxide (II) CoO Molecular Weight: *4.*4; grey-green powder; Relative Weight: 5.7ï&frac*2;ž6.7; Cobalt oxide (II, III) Co3O4; Molecular Weight: **0.*2; black powder, Relative Weight: 6.*7; Dissolve under high temperature (1, **0℃); Unable to dissolve in water but dissolvable in acid and alkaline.