No

Sample

NaOH Mol/l^*

NaAlO₂ (g)

Products^**

Mass ratio product/educt

SiO₂ in solid product (%)

FR 1

1

FR1-8M+NaAlO₂

8

3.2

INT-1 + A

0.85

66

2

FR1-12M+NaAlO₂

12

3.2

INT-2 + A

0.78

57

3

FR1-16M+NaAlO₂

16

3.2

INT-2 + (A)

0.80

53

FR 2

4

FR2-8M+NaAlO₂

8

4.8

SOD + (Z-21)

0.94

76

5

FR2-12M+NaAlO₂

12

4.8

SOD + Z-21

0.95

69

6

FR2-16M+NaAlO₂

16

4.8

SOD

0.91

71