OREAS 230b

OREAS 230b was prepared from a blend of gold-bearing ore and barren greenstone. The ore was sourced from the Frogs Leg Gold Mine located 19km west of Kalgoorlie in Western Australia. The Cambrian greenstone was sourced from a quarry 145km north of Melbourne, Australia.

OREAS 230b has been characterized for gold, majors and traces using the following methods:

  • Gold by fire assay with AAS, ICP-OES or ICP-MS finish
  • Full ICP-OES and ICP-MS elemental suites by 4-acid (HNO3-HF-HClO4-HCl) digestion
  • Full ICP-OES and ICP-MS elemental suites by aqua regia digestion
  • Gold by aqua regia digestion
  • Gold by cyanide leach with ICP or AAS finish

Certified values for applicable analytes are operationally defined for each method, with results under OREAS ISO 17034 scope of accreditation.

Note: Analyte values are indicative only and may change when certified.

						

										

						
							

								Analyte
								
									
										Indicative Value									
								
								1SD
								Expanded Uncertainty Low
								Expanded Uncertainty High
								Method
							

						
						
															

									Au, Gold (ppm)
									0.340
									TBD
									TBD
									TBD
									Pb Fire Assay
								

													
					

				


				


									
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