The first sulfuric acid in the world was prepared by destructive distillation of green vitriol[ferrous sulfate FeSO4.7H2O]in the second half of 15th century.

• 世界上最早的硫酸，产生于15世纪后半叶，当时的原料为绿矾石[FeSO4.；7H2O]，通过对其加热分解和吸收制出硫酸。