trioxide
/trahy-ok-sahyd, -sid/US // traɪˈɒk saɪd, -sɪd //UK // (traɪˈɒksaɪd) //
三氧化物,三氧化二氮,三氧化二磷,三氧
Definitions
n.名词 noun
- 1
Chemistry.
- : an oxide containing three oxygen atoms, as As2O3.
Examples
Sulphur trioxide forms thin needle-shaped crystals, arranged in feathery groups.
It is weighed when cold, and is the trioxide or "tungstic acid" (WO3), which contains 79.31 per cent.
All molybdenum compounds are converted into the trioxide by boiling with nitric acid.
The trioxide is a white powder readily dissolved by ammonia.
These are the borates in which the trioxide (B2O3) acts the part of a weak acid.
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