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Products > OREAS > Blanks >

OREAS 23b Au (3 ppb) granodiorite

Item: OR23b_10g

Unit of measure: ea

Description:

OREAS 23b has been prepared from barren I-Type hornblende-bearing granodiorite sourced from the Upper Devonian Lysterfield granodiorite complex located in south-eastern Melbourne, Australia. It is characterised by very low background gold of less than 3 parts per billion.

Download Certificate OREAS23b

Download DataPack OREAS23b

Analyte	Certified Value	1SD	95% CI Low	95% CI High	Method
Ag, Silver (ppm)	0.065	0.014	0.053	0.078	4-Acid Digestion
Al, Aluminium (wt.%)	7.86	0.38	7.6	8.13	4-Acid Digestion
As, Arsenic (ppm)	25.1	1.4	24.2	26	4-Acid Digestion
Ba, Barium (ppm)	1100	31	1077	1123	4-Acid Digestion
Be, Beryllium (ppm)	3.62	0.263	3.44	3.8	4-Acid Digestion
Bi, Bismuth (ppm)	0.15	0.03	0.14	0.16	4-Acid Digestion
Ca, Calcium (wt.%)	2.58	0.096	2.51	2.64	4-Acid Digestion
Cd, Cadmium (ppm)	0.087	0.015	0.08	0.095	4-Acid Digestion
Ce, Cerium (ppm)	80	7.2	74	86	4-Acid Digestion
Co, Cobalt (ppm)	14	0.84	13.4	14.5	4-Acid Digestion
Cr, Chromium (ppm)	65	8	60	71	4-Acid Digestion
Cs, Caesium (ppm)	15.7	0.83	15.1	16.3	4-Acid Digestion
Cu, Copper (ppm)	46.7	1.43	45.7	47.7	4-Acid Digestion
Fe, Iron (wt.%)	3.72	0.058	3.69	3.75	4-Acid Digestion
Ga, Gallium (ppm)	19.3	0.42	19.1	19.6	4-Acid Digestion
Hf, Hafnium (ppm)	3.12	0.37	2.88	3.36	4-Acid Digestion
In, Indium (ppm)	0.053	0.005	0.05	0.056	4-Acid Digestion
K, Potassium (wt.%)	3.37	0.172	3.25	3.49	4-Acid Digestion
La, Lanthanum (ppm)	38.1	3.9	35.1	41.2	4-Acid Digestion
Li, Lithium (ppm)	37.3	1.42	36.1	38.4	4-Acid Digestion
Mg, Magnesium (wt.%)	1.39	0.052	1.36	1.43	4-Acid Digestion
Mn, Manganese (wt.%)	0.055	0.002	0.054	0.056	4-Acid Digestion
Mo, Molybdenum (ppm)	3.2	0.201	3.11	3.29	4-Acid Digestion
Na, Sodium (wt.%)	2.03	0.081	1.98	2.09	4-Acid Digestion
Nb, Niobium (ppm)	21.6	1.19	20.8	22.4	4-Acid Digestion
Ni, Nickel (ppm)	40	1.88	38.6	41.3	4-Acid Digestion
P, Phosphorus (wt.%)	0.104	0.004	0.102	0.107	4-Acid Digestion
Pb, Lead (ppm)	22.6	1.29	21.7	23.5	4-Acid Digestion
Rb, Rubidium (ppm)	226	15	214	237	4-Acid Digestion
S, Sulphur (wt.%)	0.068	0.005	0.065	0.072	4-Acid Digestion
Sb, Antimony (ppm)	0.59	0.027	0.58	0.6	4-Acid Digestion
Sc, Scandium (ppm)	12.8	1.17	12	13.7	4-Acid Digestion
Sn, Tin (ppm)	4.06	0.105	4.01	4.11	4-Acid Digestion
Sr, Strontium (ppm)	301	9	294	308	4-Acid Digestion
Ta, Tantalum (ppm)	1.64	0.084	1.58	1.7	4-Acid Digestion
Th, Thorium (ppm)	21.7	1.24	20.8	22.7	4-Acid Digestion
Ti, Titanium (wt.%)	0.508	0.014	0.498	0.517	4-Acid Digestion
Tl, Thallium (ppm)	1.18	0.036	1.16	1.19	4-Acid Digestion
U, Uranium (ppm)	6.28	0.518	5.93	6.63	4-Acid Digestion
V, Vanadium (ppm)	112	3	111	114	4-Acid Digestion
W, Tungsten (ppm)	3.37	0.34	3.23	3.51	4-Acid Digestion
Y, Yttrium (ppm)	27.4	1.35	26.5	28.3	4-Acid Digestion
Zn, Zinc (ppm)	70	4.7	67	73	4-Acid Digestion
Zr, Zirconium (ppm)	95	10	89	102	4-Acid Digestion
Au, Gold (ppb)	3	IND	IND	IND	Pb Fire Assay