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