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  • OREAS | Certified Reference Materials for Mining Exploration
    At OREAS, we rigorously test and guarantee the homogeneity of all gold and PGE Certified Reference Materials Our proprietary processing technology ensures consistent quality, even with challenging materials like ‘nuggety’ gold ores
  • OREAS® CRMs - OREAS
    The OREAS ® range consists of the largest stock supply of reference materials in the world with batch sizes ranging from 100kg to 12,000kg Sample materials are sourced from naturally occurring geological deposits including: Laboratory pulp residues; Laboratory coarse rejects; Exploration drill samples (RC cuttings and DD cores)
  • Certified Reference Materials - CRMs | OREAS
    The OREAS range of 250+ Certified Reference Materials (CRMs) are developed for the mining, exploration and analytical industries covering various commodities, concentrations and mineralisation styles
  • Search - OREAS
    CRM Code Principle Certified Values State Matrix Mineralisation Wishlist All Add to Cart; OREAS 20b: Au 4 3ppb: Pd < 1 00ppb: Pt < 5 00ppb: primary
  • About Us | OREAS - An Analytichem Company
    Since 1988, OREAS has grown into the world’s largest facility dedicated to the production and distribution of Certified Reference Materials (CRMs), now serving customers in over 130 countries In 2021, OREAS became part of AnalytiChem, a global leader in analytical chemistry products and reference materials
  • Learn more - OREAS
    Supplying world-leading Certified Reference Materials to the global mining and exploration industry Trust your data Trust OREAS
  • Downloads - OREAS
    Supplying world-leading Certified Reference Materials to the global mining and exploration industry Trust your data Trust OREAS
  • Custom CRMs - OREAS
    Custom Certified Reference Materials (CRMs) are an ideal solution when OREAS catalogue CRMs do not fully match your specific requirements in matrix, grade or analytical method Our Custom CRMs are meticulously prepared offering unparalleled accuracy and reliability
  • Custom CRMs - OREAS
    Can’t find what you’re looking for in the OREAS ® range? Contact us today about custom (matrix-matched) CRMs produced from client supplied materials or select from our extensive library of in-house materials to match the geology of your project
  • OREAS 20a
    OREAS 20a has been prepared from barren I-Type hornblende-bearing granodiorite sourced from the Upper Devonian Lysterfield granodiorite complex located in south-eastern Melbourne, Australia





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