Cobalt Oxide Co3O4 ufa

Kufotokozera

1.Dzina: nanoCobalt oxideCo3O4 ufa
2.Kuyera: 99.9% min
3.Appearacne: ufa wakuda wa imvi
4.Tinthu kukula: 50nm

5.SSA: 30-80 m2/g

Katundu:
Kuwonekera kwa mpweya, kosavuta kuyamwa chinyezi, koma sikumapanga madzi.Amasungunuka mu nitric acid.Mukatenthedwa mpaka 1200 oC, nano-cobalt oxide imaphwanyidwa kukhala sub-cobalt oxide.Mu lawi la haidrojeni, nano-cobalt oxide imatenthedwa mpaka 900 oC, imasinthidwa kukhala cobalt yachitsulo.Cobalt(II,III) okusayidi ndi mankhwala pawiri ndi chilinganizo Co3O4.Ndiwolimba wakuda, komanso gulu losakanikirana la valence, lomwe lili ndi Co (II) ndi Co (III) oxidation states.Itha kupangidwa ngati CoIICoIII2O4 kapena CoO.Co2O3.Cobalt(II) oxide, CoO, imasinthidwa kukhala Co3O4 ngati yatenthedwa mpaka 600-700 °C mumlengalenga.Pamwamba pa 900 ° C, CoO ndi yokhazikika.

Ntchito: 

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