Iridium black is a high specific surface area catalyst. It is suitable for use as an electrocatalyst in gas diffusion electrodes.

Application
Electrochemical gas sensors and electrolysers

Iridium content
≥ 93.0 % w/w

Specific surface area
25-40 m2/g

Loss on drying
≤ 1.0 % w/w

Loss on reduction
3.0 – 7.0 % w/w

Total chloride
≤ 0.5 % w/w