Iridium, iridium alloys
| Registry number | Name | Code of the CRM | Code of CRM unit | CRM form | Element – certified value, mass fraction, % | Expire date, year | Certificate of analysis |
| GSO 12075-2022 | CRM of iridium | SOIr-23 | SOIr-23-1 | powder | Al – 0.0551; Au – 0.1001; Cu – 0.0551; Fe – 0.1001; Ni – 0.1001; Pd – 0.2001; Pt – 0.250; Rh – 0.2002; Si – 0.1058 | 2081 | Certificate of analysis (RU) |
| GSO 12076-2022 | CRM of iridium | SOIr-23 | SOIr-23-2 | powder | Al – 0.0175; Au – 0.0317; Cu – 0.0174; Fe – 0.0317; Ni – 0.0317; Pd – 0.0634; Pt – 0.0793; Rh – 0.0634; Si – 0.0335; Ag – 0.01004; Ba – 0.0317; Mg – 0.0317; Os – 0.1002; Pb – 0.0201; Ru – 0.200; Sn – 0.0317; Ti – 0.0317 | 2081 | Certificate of analysis (RU) |
| GSO 12077-2022 | CRM of iridium | SOIr-23 | SOIr-23-3 | powder | Al – 0.00554; Au – 0.01003; Cu – 0.00552; Fe – 0.01006; Ni – 0.01004; Pd – 0.0200; Pt – 0.0251; Rh – 0.0201; Si – 0.01064; Ag – 0.00318; Ba – 0.01001; Mg – 0.01003; Os – 0.0317; Pb – 0.00635; Ru – 0.0633; Sn – 0.01003; Ti – 0.01001; As – 0.0201; Bi – 0.01002; Cd – 0.0200; Co – 0.0201; Cr – 0.0201; Zn – 0.01012 | 2081 | Certificate of analysis (RU) |
| GSO 12078-2022 | CRM of iridium | SOIr-23 | SOIr-23-4 | powder | Al – 0.00177; Au – 0.00318; Cu – 0.00175; Fe – 0.00320; Ni – 0.00320; Pd – 0.00634; Pt – 0.00793; Rh – 0.00636; Si – 0.00340; Ag – 0.00101; Ba – 0.00318; Mg – 0.00318; Os – 0.0100; Pb – 0.00201; Ru – 0.0200; Sn – 0.00318; Ti – 0.00317; As – 0.00636; Bi – 0.00317; Cd – 0.00634; Co – 0.00635; Cr – 0.00636; Zn – 0.00330 | 2081 | Certificate of analysis (RU) |
| GSO 12079-2022 | CRM of iridium | SOIr-23 | SOIr-23-5 | powder | Al – 0.00058; Au – 0.00101; Cu – 0.000562; Fe – 0.00102; Ni – 0.00103; Pd – 0.00201; Pt – 0.00252; Rh – 0.00203; Si – 0.00111; Ag – 0.000319; Ba – 0.00102; Mg – 0.00102; Os – 0.00317; Pb – 0.000640; Ru – 0.00634; Sn – 0.00102; Ti – 0.00100; As – 0.00203; Bi – 0.00101; Cd – 0.00201; Co – 0.00201; Cr – 0.00203; Zn – 0.00115 | 2081 | Certificate of analysis (RU) |
| GSO 12080-2022 | CRM of iridium | SOIr-23 | SOIr-23-6 | powder | Al – 0.000204; Au – 0.000322; Cu – 0.000184; Fe – 0.000338; Ni – 0.000347; Pd – 0.000636; Pt – 0.00080; Rh – 0.00065; Si – 0.00039; Ag – 0.000102; Ba – 0.000341; Mg – 0.000333; Os – 0.00101; Pb – 0.000206; Ru – 0.00201; Sn – 0.000333; Ti – 0.000317; As – 0.00065; Bi – 0.000322; Cd – 0.000635; Co – 0.000641; Cr – 0.000655; Zn – 0.00047 | 2081 | Certificate of analysis (RU) |
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