Properties
Unit Definition
One pyrogallol unit will form 1.0 mg purpurogallin from pyrogallol in 20 sec at pH 6.0 at 20 °C.
Form
essentially salt-free, lyophilized powder
Purity
Type VI, essentially salt-free, lyophilized powder, ≥250 units/mg solid (using pyrogallol)
Applications
Horseradish peroxidase is used in a number of biochemical testing items, and also widely used in immunoassay (ELISA) kits, which can be used as a key component of the color system of multiple kits.
