REFERENCE MATERIAL CERTIFICATE OREAS MODEL: 992B FOR VERIFICATION OF THE CHEMICAL ANALYSIS PROCESSES 45% CONCENTRATION COPPER SULFIDE SAMPLE SOLD IN 10 GRAMS ENVELOPES 601672
REFERENCE MATERIAL CERTIFICATE OREAS MODEL: 992B FOR VERIFICATION OF THE CHEMICAL ANALYSIS PROCESSES 45% CONCENTRATION COPPER SULFIDE SAMPLE SOLD IN 10 GRAMS ENVELOPES 601672
REFERENCE MATERIAL CERTIFICATE OREAS MODEL: 994 FOR VERIFICATION OF THE CHEMICAL ANALYSIS PROCESSES COPPER CONCENTRATE SAMPLE OF 30% CONCENTRATION SOLD IN 10 GRAMS ENVELOPES 601619
REFERENCE MATERIAL CERTIFICATE OREAS MODEL: 994 FOR VERIFICATION OF THE CHEMICAL ANALYSIS PROCESSES COPPER CONCENTRATE SAMPLE OF 30% CONCENTRATION SOLD IN 10 GRAMS ENVELOPES 601619
16-August-2021
382200300000
REFERENCE MATERIAL CERTIFICATE OREAS MODEL: 991 FOR VERIFICATION OF THE CHEMICAL ANALYSIS PROCESSES COPPER CONCENTRATE SAMPLE OF 20% CONCENTRATION MARKETED IN ENVELOPES OF 50 GRAMS 600693
REFERENCE MATERIAL CERTIFICATE OREAS MODEL: 991 FOR VERIFICATION OF THE CHEMICAL ANALYSIS PROCESSES COPPER CONCENTRATE SAMPLE OF 20% CONCENTRATION MARKETED IN ENVELOPES OF 50 GRAMS 600693
16-August-2021
382200300000
REFERENCE MATERIAL CERTIFICATE OREAS MODEL: 990B FOR VERIFICATION OF THE CHEMICAL ANALYSIS PROCESSES COPPER CONCENTRATE SAMPLE OF 16% CONCENTRATION MARKETED IN ENVELOPES OF 50 GRAMS 601671
REFERENCE MATERIAL CERTIFICATE OREAS MODEL: 990B FOR VERIFICATION OF THE CHEMICAL ANALYSIS PROCESSES COPPER CONCENTRATE SAMPLE OF 16% CONCENTRATION MARKETED IN ENVELOPES OF 50 GRAMS 601671
23-August-2021
261690000000
OREAS CERTIFIED REFERENCE MATERIAL : OREAS 607 OREAS 602B OREAS 608 BLEND OF GOLD-COPPER-SILVER BEARING ORES
OREAS CERTIFIED REFERENCE MATERIAL : OREAS 607 OREAS 602B OREAS 608 BLEND OF GOLD-COPPER-SILVER BEARING ORES