In chemistry it is a process that is mainly performed in the manufacture of papers, by using sulfuric acid and with which it is intended to eliminate all porosities of cellulose. Treatment with sulfuric acid to obtain sulphurized paper, baking paper or butter paper. This paper can withstand up to 220 degrees of temperature, so it is used in the food industry. In Colombia we say sulfide or sulfide, to indicate that it gets irritated, that it gets bad temper, to get angry.
