Sulfuric acid: passport of production

# The name of indicators
Norm
1 Monohydrate mass fraction (2SO4) in %, not less
70 73
2 Mass fraction of the rest after igniting in %, no more
0,5
3 Iron mass fraction (F) in %, no more
0,1
4 Mass fraction of organic contaminants in recalculation on carbon in % on 100 % acid, no more
1,0