Samples Containing Cobalt | Inorganic Ventures
The cobalt (II, III) oxide or cobalt tetra oxide is refractory toward dissolution in dilute acids at room temperature or with heating. Compounds and Salts of Co (II) Co (II) arsenate, carbonate, hydroxide, iodate, phosphate, sulfide, borate, oxalate and cyanide are insoluble in water, whereas the chloride, nitrate, fluoride and sulfate are all quite soluble.