Catalyst

code

Catalyst

composition

Precursor

ALH 1

ZrO₂

ZrOCl₂∙8H₂O

ALH 2

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

ZrOCl₂∙8H₂O

ALH 3

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

ZrOCl₂∙8H₂O

ALH 4

ZrO₂/Nb₂O₅ (3%)

ZrOCl₂∙8H₂O

ALH 5

ZrO₂/Nb₂O₅ (5%)

ZrOCl₂∙8H₂O