Autothermal synthesis (A) of NaBH4-sodalite1) | |||||||
exp. No. | NaOH M | Na2SiO3 solution (ml) | template NaBH4 (g) | mass ratio H2O:Al | product | ||
phase analysis2) | amount (g) | cell-parameter a0 (Å) | |||||
A1 | 4 | 5 | 1.0 | 50 | amorphous | 3.8 | - |
A2 | 8 | 5 | 1.0 | 50 | NaBH4-Sod + 30% amorphous | 4.2 | 8.927(5) |
A3 | 12 | 5 | 1.0 | 50 | NaBH4-Sod + (amorphous) | 3.6 | 8.925(1) |
A4 | 16 | 5 | 1.0 | 50 | NaBH4-Sod | 3.6 | 8.9336(4) |