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Products > OREAS > PGE Copper - Nickel >

OREAS 85 Ni (0.343 wt.%) gabbro

Item: OR85_60g

Unit of measure: ea

Description:

OREAS 85 was prepared from Ni-Cu-Co ore grade drill core samples sourced from the Nova Mine in Western Australia. The Nova Mine, owned and operated by Independence Group (IGO), is located in the Fraser Range, approximately 160km east-northeast of Norseman, 360km southeast of Kalgoorlie and 380km from the Port of Esperance in Western Australia. OREAS 85 is one of two Ni-Cu-Co ore CRMs prepared (the other is the higher grade ‘OREAS 86’).

Twenty-one laboratories participated in the program to certify:

• Au, Pd and Pt by 25-50g Pb collection fire assay with ICP-MS, ICP-OES or AAS finish;
• Au by 15-50g aqua regia digestion with ICP OES/MS finish or AAS finish;
• Al2O3, CaO, Co, Cu, Fe2O3, K2O, MgO, Na2O, Ni, P2O5, S, SiO2 and TiO2 by lithium borate fusion with XRF finish;
• Loss on ignition at 1000° Celsius;
• Total Sulphur by infrared combustion furnace;
• 4-acid digestion for full elemental suite ICP-OES/MS finish;
• Aqua regia digestion for full elemental suite ICP-OES/MS and AAS finish;
• Au by instrumental neutron activation analysis (INAA) on 20 x 85mg subsamples to confirm homogeneity.

Download Certificate OREAS85

Download DataPack OREAS85

Analyte	Certified Value	1SD	95% CI Low	95% CI High	Method
Ag, Silver (ppm)	0.581	0.062	0.544	0.617	4-Acid Digestion
Al, Aluminium (wt.%)	6.77	0.153	6.7	6.83	4-Acid Digestion
As, Arsenic (ppm)	2.12	0.7	1.68	2.56	4-Acid Digestion
Ba, Barium (ppm)	82	3.7	80	84	4-Acid Digestion
Be, Beryllium (ppm)	0.31	0.04	0.29	0.33	4-Acid Digestion
Bi, Bismuth (ppm)	0.45	0.026	0.44	0.47	4-Acid Digestion
Ca, Calcium (wt.%)	6.34	0.258	6.22	6.46	4-Acid Digestion
Cd, Cadmium (ppm)	0.33	0.026	0.32	0.34	4-Acid Digestion
Ce, Cerium (ppm)	9.14	0.492	8.9	9.38	4-Acid Digestion
Co, Cobalt (ppm)	178	9	174	182	4-Acid Digestion
Cr, Chromium (ppm)	480	79	443	517	4-Acid Digestion
Cs, Caesium (ppm)	0.37	0.018	0.36	0.38	4-Acid Digestion
Cu, Copper (wt.%)	0.176	0.004	0.174	0.178	4-Acid Digestion
Dy, Dysprosium (ppm)	1.95	0.121	1.87	2.03	4-Acid Digestion
Er, Erbium (ppm)	1.23	0.047	1.2	1.27	4-Acid Digestion
Eu, Europium (ppm)	0.57	0.043	0.54	0.6	4-Acid Digestion
Fe, Iron (wt.%)	9.53	0.407	9.35	9.71	4-Acid Digestion
Ga, Gallium (ppm)	11.5	0.6	11.2	11.8	4-Acid Digestion
Gd, Gadolinium (ppm)	1.79	0.145	1.69	1.88	4-Acid Digestion
Hf, Hafnium (ppm)	0.74	0.062	0.71	0.77	4-Acid Digestion
Ho, Holmium (ppm)	0.42	0.016	0.41	0.43	4-Acid Digestion
In, Indium (ppm)	0.054	0.004	0.052	0.055	4-Acid Digestion
K, Potassium (wt.%)	0.208	0.012	0.202	0.213	4-Acid Digestion
La, Lanthanum (ppm)	3.89	0.252	3.76	4.02	4-Acid Digestion
Li, Lithium (ppm)	7.72	0.442	7.54	7.91	4-Acid Digestion
Lu, Lutetium (ppm)	0.18	0.011	0.17	0.19	4-Acid Digestion
Mg, Magnesium (wt.%)	8.2	0.239	8.1	8.3	4-Acid Digestion
Mn, Manganese (wt.%)	0.128	0.006	0.125	0.131	4-Acid Digestion
Mo, Molybdenum (ppm)	1.54	0.107	1.5	1.59	4-Acid Digestion
Na, Sodium (wt.%)	1.02	0.05	1	1.05	4-Acid Digestion
Nb, Niobium (ppm)	1.18	0.09	1.13	1.23	4-Acid Digestion
Nd, Neodymium (ppm)	5.6	0.374	5.35	5.85	4-Acid Digestion
Ni, Nickel (wt.%)	0.344	0.015	0.337	0.351	4-Acid Digestion
P, Phosphorus (wt.%)	0.025	0.002	0.025	0.026	4-Acid Digestion
Pb, Lead (ppm)	5.5	0.493	5.21	5.79	4-Acid Digestion
Pr, Praseodymium (ppm)	1.25	0.046	1.21	1.29	4-Acid Digestion
Rb, Rubidium (ppm)	6.05	0.332	5.91	6.2	4-Acid Digestion
Re, Rhenium (ppm)	0.027	0.002	0.026	0.028	4-Acid Digestion
S, Sulphur (wt.%)	2.01	0.104	1.96	2.07	4-Acid Digestion
Sb, Antimony (ppm)	0.27	0.03	0.26	0.29	4-Acid Digestion
Sc, Scandium (ppm)	28	2.01	27.1	29	4-Acid Digestion
Se, Selenium (ppm)	4.97	0.87	4.12	5.82	4-Acid Digestion
Sm, Samarium (ppm)	1.51	0.114	1.4	1.62	4-Acid Digestion
Sn, Tin (ppm)	0.51	0.042	0.49	0.52	4-Acid Digestion
Sr, Strontium (ppm)	140	5	138	142	4-Acid Digestion
Ta, Tantalum (ppm)	0.084	0.013	0.075	0.093	4-Acid Digestion
Tb, Terbium (ppm)	0.31	0.012	0.3	0.32	4-Acid Digestion
Te, Tellurium (ppm)	0.31	0.06	0.28	0.33	4-Acid Digestion
Th, Thorium (ppm)	0.58	0.048	0.54	0.61	4-Acid Digestion
Ti, Titanium (wt.%)	0.267	0.009	0.262	0.271	4-Acid Digestion
Tl, Thallium (ppm)	0.044	0.005	0.043	0.046	4-Acid Digestion
Tm, Thulium (ppm)	0.17	0.013	0.16	0.19	4-Acid Digestion
U, Uranium (ppm)	0.21	0.016	0.2	0.22	4-Acid Digestion
V, Vanadium (ppm)	151	6	148	154	4-Acid Digestion
W, Tungsten (ppm)	0.55	0.07	0.52	0.58	4-Acid Digestion
Y, Yttrium (ppm)	10.7	0.38	10.5	10.8	4-Acid Digestion
Yb, Ytterbium (ppm)	1.17	0.038	1.15	1.19	4-Acid Digestion
Zn, Zinc (ppm)	79	5.5	76	81	4-Acid Digestion
Zr, Zirconium (ppm)	20.9	0.78	20.6	21.2	4-Acid Digestion
Ag, Silver (ppm)	0.552	0.046	0.524	0.58	Aqua Regia Digestion
Al, Aluminium (wt.%)	4.91	0.317	4.75	5.07	Aqua Regia Digestion
As, Arsenic (ppm)	2.22	0.27	2.06	2.38	Aqua Regia Digestion
B, Boron (ppm)	10	IND	IND	IND	Aqua Regia Digestion
Ba, Barium (ppm)	54	9	48	59	Aqua Regia Digestion
Be, Beryllium (ppm)	0.18	0.03	0.17	0.2	Aqua Regia Digestion
Bi, Bismuth (ppm)	0.41	0.05	0.38	0.44	Aqua Regia Digestion
Ca, Calcium (wt.%)	3.46	0.327	3.3	3.62	Aqua Regia Digestion
Cd, Cadmium (ppm)	0.15	0.011	0.15	0.16	Aqua Regia Digestion
Ce, Cerium (ppm)	4.68	0.62	4.35	5	Aqua Regia Digestion
Co, Cobalt (ppm)	144	7	140	148	Aqua Regia Digestion
Cr, Chromium (ppm)	119	20	108	130	Aqua Regia Digestion
Cs, Caesium (ppm)	0.33	0.027	0.31	0.34	Aqua Regia Digestion
Cu, Copper (wt.%)	0.172	0.007	0.168	0.176	Aqua Regia Digestion
Dy, Dysprosium (ppm)	0.58	0.1	0.44	0.72	Aqua Regia Digestion
Er, Erbium (ppm)	0.36	0.1	0.26	0.45	Aqua Regia Digestion
Eu, Europium (ppm)	0.35	0.06	0.28	0.41	Aqua Regia Digestion
Fe, Iron (wt.%)	5.04	0.206	4.94	5.14	Aqua Regia Digestion
Ga, Gallium (ppm)	6.84	0.489	6.56	7.12	Aqua Regia Digestion
Gd, Gadolinium (ppm)	0.65	0.13	0.51	0.79	Aqua Regia Digestion
Ge, Germanium (ppm)	0.086	0.016	0.065	0.107	Aqua Regia Digestion
Hf, Hafnium (ppm)	0.097	0.019	0.084	0.111	Aqua Regia Digestion
Ho, Holmium (ppm)	0.13	0.03	0.1	0.17	Aqua Regia Digestion
In, Indium (ppm)	0.016	0.004	0.013	0.018	Aqua Regia Digestion
K, Potassium (wt.%)	0.144	0.009	0.14	0.148	Aqua Regia Digestion
La, Lanthanum (ppm)	2.3	0.25	2.17	2.44	Aqua Regia Digestion
Li, Lithium (ppm)	3.51	0.236	3.39	3.63	Aqua Regia Digestion
Mg, Magnesium (wt.%)	2.62	0.135	2.55	2.7	Aqua Regia Digestion
Mn, Manganese (wt.%)	0.031	0.003	0.03	0.033	Aqua Regia Digestion
Mo, Molybdenum (ppm)	1.43	0.076	1.39	1.47	Aqua Regia Digestion
Na, Sodium (wt.%)	0.737	0.075	0.698	0.777	Aqua Regia Digestion
Nd, Neodymium (ppm)	2.54	0.49	2.07	3.02	Aqua Regia Digestion
Ni, Nickel (wt.%)	0.33	0.013	0.324	0.337	Aqua Regia Digestion
P, Phosphorus (wt.%)	0.023	0.001	0.023	0.024	Aqua Regia Digestion
Pb, Lead (ppm)	3.97	0.56	3.66	4.28	Aqua Regia Digestion
Pd, Palladium (ppb)	10	IND	IND	IND	Aqua Regia Digestion
Pr, Praseodymium (ppm)	0.58	0.09	0.48	0.68	Aqua Regia Digestion
Rb, Rubidium (ppm)	5.15	0.464	4.88	5.41	Aqua Regia Digestion
Re, Rhenium (ppm)	0.026	0.002	0.024	0.028	Aqua Regia Digestion
S, Sulphur (wt.%)	1.94	0.111	1.88	2	Aqua Regia Digestion
Sb, Antimony (ppm)	0.11	0.02	0.1	0.12	Aqua Regia Digestion
Sc, Scandium (ppm)	4.77	0.86	4.2	5.34	Aqua Regia Digestion
Se, Selenium (ppm)	4.86	0.445	4.59	5.14	Aqua Regia Digestion
Sm, Samarium (ppm)	0.57	0.12	0.43	0.71	Aqua Regia Digestion
Sn, Tin (ppm)	0.2	0.02	0.18	0.21	Aqua Regia Digestion
Sr, Strontium (ppm)	119	5	116	122	Aqua Regia Digestion
Ta, Tantalum (ppm)	0.005	IND	IND	IND	Aqua Regia Digestion
Tb, Terbium (ppm)	0.099	0.023	0.074	0.125	Aqua Regia Digestion
Te, Tellurium (ppm)	0.29	0.05	0.26	0.31	Aqua Regia Digestion
Th, Thorium (ppm)	0.33	0.033	0.3	0.35	Aqua Regia Digestion
Tl, Thallium (ppm)	0.034	0.005	0.032	0.037	Aqua Regia Digestion
U, Uranium (ppm)	0.17	0.02	0.16	0.18	Aqua Regia Digestion
V, Vanadium (ppm)	38.7	6.6	35.1	42.3	Aqua Regia Digestion
W, Tungsten (ppm)	0.16	0.03	0.14	0.18	Aqua Regia Digestion
Y, Yttrium (ppm)	3.43	0.73	3.03	3.82	Aqua Regia Digestion
Zn, Zinc (ppm)	14.2	2.7	12.8	15.6	Aqua Regia Digestion
Zr, Zirconium (ppm)	3.73	0.63	3.37	4.08	Aqua Regia Digestion
Au, Gold (ppb)	60	3.2	57	62	Aqua Regia Digestion (sample weights 10-50g)
Al2O3, Aluminium(III) oxide (wt.%)	12.93	0.151	12.85	13.02	Borate Fusion XRF
CaO, Calcium oxide (wt.%)	9.07	0.133	9	9.14	Borate Fusion XRF
Co, Cobalt (ppm)	184	9	179	188	Borate Fusion XRF
Cr2O3, Chromium(III) oxide (ppm)	1045	72	984	1106	Borate Fusion XRF
Cu, Copper (wt.%)	0.174	0.006	0.171	0.177	Borate Fusion XRF
Fe2O3, Iron(III) oxide (wt.%)	13.95	0.171	13.87	14.03	Borate Fusion XRF
K2O, Potassium oxide (wt.%)	0.245	0.006	0.242	0.249	Borate Fusion XRF
MgO, Magnesium oxide (wt.%)	13.72	0.155	13.64	13.8	Borate Fusion XRF
MnO, Manganese oxide (wt.%)	0.17	0.002	0.168	0.171	Borate Fusion XRF
Na2O, Sodium oxide (wt.%)	1.35	0.039	1.32	1.38	Borate Fusion XRF
Ni, Nickel (wt.%)	0.353	0.01	0.348	0.358	Borate Fusion XRF
P2O5, Phosphorus(V) oxide (wt.%)	0.058	0.003	0.057	0.06	Borate Fusion XRF
S, Sulphur (wt.%)	2.06	0.043	2.03	2.08	Borate Fusion XRF
SiO2, Silicon dioxide (wt.%)	46.03	0.541	45.76	46.31	Borate Fusion XRF
TiO2, Titanium dioxide (wt.%)	0.47	0.014	0.463	0.477	Borate Fusion XRF
S, Sulphur (wt.%)	2.05	0.045	2.02	2.07	Infrared Combustion
Au, Gold (ppb)	61	2.4	60	62	Pb Fire Assay
Pd, Palladium (ppb)	7	0.79	6.65	7.35	Pb Fire Assay
Pt, Platinum (ppb)	4	0.38	3.72	4.29	Pb Fire Assay
LOI1000, Loss On Ignition @1000Â°C (wt.%)	1.13	0.17	1.04	1.22	Thermogravimetry