| 释义 |
> as lemmasanhydrous sulphuric acid Formerly used also for sulphur trioxide, sulphuric acid gas, SO3; also called anhydrous sulphuric acid.anhydrous sulphuric acid anhydrous sulphuric acid, sulphur trioxide. fuming sulphuric acid, a mixture of sulphuric acid and sulphur trioxide. German sulphuric acid = Nordhausen n.< |