Al2(SO4)3 + 6NaOH → 2Al(OH)3 + 3Na2SO4
2Al(OH)3 → Al2O3 + 3H2O (t>575°C)
Al2O3 + 2NaOH → 2NaAlO2 + H2O
Al2(SO4)3 + 6NaOH → 2Al(OH)3 + 3Na2SO4
2Al(OH)3 → Al2O3 + 3H2O (t>575°C)
Al2O3 + 2NaOH → 2NaAlO2 + H2O