OREAS 21C

 The reference standards OREAS 21P Batch 2 and OREAS 21C Batch 1 have been prepared from a blend of fresh hypersthene rhyodacite. The rhyodacite comprises part of the Upper Devonian Mount Dandenong Volcanics Group in central Victoria and is referred to as the Ferny Creek rhyodacite. It is characterised by extremely low background gold, platinum and palladium contents of less than 5 parts per billion each.

Analyte Certified Value 1SD 95% Confidence Limits Low 95% Confidence Limits High Method
Au, Gold (ppb) < 3 IND IND IND Pb Fire Assay
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Information is provided for reference only.

Specifications