Catalyst

code

Catalyst

composition

Acidity

n^H+ (mmol/g)

ALH 6

ZrO₂

1.6

ALH 7

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

8.5

ALH 8

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

9.8

ALH 9

ZrO₂/Nb (3%)

3.2

ALH 10

ZrO₂/Nb (5%)

3.3

ALH 11

${\text{ZrO}}_{\text{2}}{\text{-SO}}_4^{2-}$

10.5