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)