“fuming sulfuric acid”簡單造句，fuming sulfuric acid造句子

A new surfactant heavy crude oil sulfonates (HCOS) was synthesized from Daqing Heidimiao oil with fuming sulfuric acid.

"It is made industrially by dissolving sulfur trioxide (SO3) in water, sometimes Beyond the saturation point to make oleum (fuming sulfuric acid), used to make certain organic chemicals. "

This method has been used for many times and similar operation time and product are obtained as that using the treatment with a mixture of sulfuric acid, nitric acid and fuming sulfuric acid.