An excess of sulfuric acid is added to potassium nitrate, and more or less pure nitric acid is distilled away from the resulting potassium sulfate. Careful temperature control is important ...

After testing a number of British and foreign samples of pure sulphuric acid, Harvey 1 reported that he had found the ‘nitrogen free’ sulphuric acid specially supplied by the British Drug ...

The experiment made with different sorts of olive oil, from various sources, proved that Hie action of the sulphuric acid is constant when the oil is pure, and when made oil of ben and of tar ...

Acid attack victim speaks out The 33-year-old was in a medically induced coma for six weeks after Leong poured 96% pure sulphuric acid over him. As well as leaving him blind, the attack left him ...