| A small portion of pyroligneous acid may be added to the brine. |
| Hardwood tars are obtained from pyroligneous acid, either as a deposit from the acid or as a residue from the distillation of the acid. |
| When wood is slowly burned, it gives off acetic and pyroligneous acid, which in combination with water or moisture form creosote. |
| The Taylor process used a solution of sulphide of calcium in pyroligneous acid. |
| Crude pyroligneous acid is the condensed, volatile product of wood distillation. |
| It is a product of the dry distillation of organic bodies, and is the preservative principle of wood smoke and pyroligneous acid. |
