Catalyst

Concentration

Oxygen nM/min

Cu²⁺

0.0001 M

573.8

0.001

828.8

Fe²⁺

0.0001 M

637.5

0.0001

3187.5

0.001

>1250 × 10³

Mn²⁺

0.00001 M

446.3

0.0001

653.4

CAT

10.5 unit/mL

>1250 × 10³