- Customer pickup,
- In detail
Fuad kimya servis, offers Chromium oxide of production of Turkey - from continuous availability in warehouse in the city of Sumgayit
Chromium oxide (II) (chromous oxide) is black or red crystals
Receive oxidation of amalgamykhrom of CrHg3 or CrHg nitric acid or oxygen.
At 100 °C turns into Cr2O3:4CrO + O2 = 2Cr2O3
It is recovered by hydrogen to metallicheskogokhrom at 1000 °C:CrO + H2 = Cr + H2O
It is also possible to recover coke:CrO + = Cr + CO Is dissolved by C in hydrochloric acid with hydrogen release and chromium chloride (III). It is not soluble in the diluted sulfuric and nitric acids