Catalyst

code

Catalyst

composition

Acidity

n^H+ (mmol/g)

ALH 17

TiO₂

0.9

ALH 18

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

7.9

ALH 19

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

6

ALH 20

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

6.1

ALH 21

TiO₂/Nb (3%)

1.8

ALH 22

TiO₂/Nb (5%)

2