ʻO Irdidium ka mea nui o Corrosiod-coristant. ʻO ka hana nui o ka Irisitium ka insolutions i loko o nā wahi āpau i loko o nā wahi āpau a pauʻole aʻaʻole i hoʻoponoponoʻia e nā metala i nā metala'ē aʻe. E like me nā hui hui platinum e like me nā alloys, hiki i nā alloys alloys hiki ke paʻa mau i nā mea hana adsorb a hiki ke hoʻohanaʻia e like me nā mea hana catalyst.