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[206] Oxid cobaltos

Date: June 19th, 2007 | Comments : none | Categories: Colorants.
» » » » 
Oxid cobaltos
~~~~~~~~~~~~~
CoO
        Se prepara prin calcinarea hidroxidului cobaltos:
                        Co(OH)2 ---> CoO  +  H2O
        Este o pulbere cenusie care se dizolva in sticla topita, careia'i da
culoarea albastra
 

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