OREAS 26b is a basalt blank chip certified reference material. The material was sourced from a quarry containing fresh olivine tholeiite (Newer Volcanics Province), near Melbourne (Victoria), Australia. There are 52 certified values by borate fusion XRF, LOI at 1000°C, Au by fire assay and full ICP-OES/MS suite by 4-acid digestion.
| CRM Code |
Principle Certified Values |
State |
Matrix |
Mineralization |
| OREAS 26b |
Au <1ppb |
Cu 43.7 ppm |
Fe0 10.35% |
primary |
basalt |
barren |