Leady oxide (LO) containing different amounts of mineral additive (0e15 wt. % (w/o)) was mixed with water and 1.40 s.g. H2SO4 in a ratio equal to 5% H2SO4/LO
Leady oxide (LO) containing different amounts of mineral additive(0e15 wt. % (w/o)) was mixed with water and 1.40 s.g. H2SO4in a ratio equal to 5% H2SO4/LO