The manganic manganous oxide is prepared from the purified manganese sulfate solution using hydrogen peroxide as oxidant under alkali medium of ammoniasolution.
研究了从软锰矿制备硫酸锰，在碱性溶液中，以过氧化氢为氧化剂，制备高比表面优质四氧化三锰的新工艺。
2
Dezincification layer is formed on brass during corrosion or stress corrosion cracking (SCC) in ammoniasolution, and an additive stress is induced in the same time.
黄铜表面在氨水中腐蚀或应力腐蚀时形成脱锌层，由此产生一个附加拉应力。
3
Method:Thin layer scan used benzene-acetone-ethel acetate-strong ammoniasolution(2:3:4:0.2) as a dose, diluted iodized bismuth potassium solution Hin color agent for;