tungstic

/tuhng-stik/US // ˈtʌŋ stɪk //UK // (ˈtʌŋstɪk) //

桐城,桐乡,钨钢,桐乡市

Definitions

adj.形容词 adjective

1
Chemistry.
- : of or containing tungsten, especially in the pentavalent or hexavalent state.

Tungstic acid may be got into solution after fusion with alkalies or alkaline carbonates.
The residual tungstic acid is fixed, so that when the ammonia has been driven off it may be strongly heated without loss.
It is weighed when cold, and is the trioxide or "tungstic acid" (WO3), which contains 79.31 per cent.
Next followed the discovery of tungstic acid, and in 1783 he added to his list of useful discoveries that of glycerine.
“Now,” he said, when the tungstic acid had been dissolved, and he had dropped a small bar of tin into the solution.