sesquioxide

/ses-kwee-ok-sahyd, -sid/US // ˌsɛs kwiˈɒk saɪd, -sɪd //UK // (ˌsɛskwɪˈɒksaɪd) //

二氧化硫,二氧化芝麻,二氧化亚砜,二氧化亚硒

Definitions

n.名词 noun

1
Chemistry.
- : an oxide containing three atoms of oxygen and two of another element, as aluminum oxide, Al2O3.

Hydrated chromium sesquioxide is another mineral emerald green.
If it contains manganese this metal will be present as sesquioxide (Mn2O3).
A method has been proposed based on the reduction of titanic oxide by zinc in hydrochloric acid solutions to the sesquioxide.
When a ferrocyanide is added to a solution of a sesquioxide of iron, Prussian blue or ferrocyanide of iron is produced.
Gaseous ammonia passed over the oxide reduces it to the sesquioxide with formation of nitrogen and water.