distilled water
sodium hydroxide (99+% NaOH)
alumina trihydrate (Merck, 65% Al2O3) c
sodium silicate solution (27.35% SiO2, 8.30% Na2O, 1.37 g/mL)
Batch Preparation (for 42 g product)
(1) , stir until dissolved
(2) , stir at 100¡C until dissolved, cool to 25¡C
(3) , mix
(4) , mix until dissolved
(5) , mix until dissolved
(7) , combine quickly and stir for 30 minutesd
Crystallization