I tua atu, i korerotia i roto i 2009 e iridium (((VIII) waikura (IrO4) i whakaritea i raro i ngā āhuatanga o te wehenga matrix (6 K i roto i te Ar) e irradiation o te iridium-peroxo matatini. Heoi, e kore e tūmanakohia tenei momo ki te kia pūmautanga rite te pūmautanga papatipu i pāmahana teitei. te āhua waikura teitei (+9), i te mea ano hoki te teitei mō tetahi huānga, e mohiotia anake i roto i te kotahi cquisition, IrO +4; Kei te mohiotia anake rite te hau-āhua momo, me te kore e mohiotia ki te hanga i tetahi waikura matatini. Iridium kua whakaahuatia ano hoki e rua ngā āhua o te waikura pūmahana rite te waikura papatipu. Iridium kua whakaahuatia ano hoki ki te waikura o te waikura papatipu. Iridium kua whakaahuatia ano hoki ki te waikura o te waikura papatipu me te waikura papatipu. Iridium kua whakaahuatia ano hoki ki te waikura o te waikura pap
te IrH4−5 me te 18 irahiko IrH5−4 anion