Catalyst

code

Catalyst

composition

Acidity

n^H+ (mmol/g)

ALH 12

TiO₂

1.1

ALH 13

${\text{TiO}}_{\text{2}}/{\text{SO}}_4^{2-}$ (0.5 M)

6.2

ALH 14

${\text{TiO}}_{\text{2}}/{\text{SO}}_4^{2-}$ (1 M)

6.8

ALH 15

TiO₂/Nb (3%)

2.1

ALH 16

TiO₂/Nb (5%)

2