Specifications
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CRM State:
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Matrix:
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Mineralisation:
OREAS 22e has been prepared from quartz sand to which 0.5% iron oxide has been added to produce a pale grey pulp. This colouring gives the material an appearance of primary origin (i.e. non-oxide). It is characterised by extremely low background gold of less than 1 part per billion.
Analyte | Certified Value | 1SD | 95% Confidence Limits Low | 95% Confidence Limits High | Method |
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Au, Gold (ppb) | < 1 | IND | IND | IND | Pb Fire Assay |
Cu, Copper (ppm) | 7.97 | 0.746 | 7.61 | 8.34 | 4-Acid Digestion |
Ag, Silver (ppm) | < 0.050 | IND | IND | IND | 4-Acid Digestion |
Al, Aluminium (wt.%) | 0.094 | 0.019 | 0.080 | 0.107 | 4-Acid Digestion |
Ba, Barium (ppm) | 3.92 | 1.08 | 3.23 | 4.60 | 4-Acid Digestion |
Be, Beryllium (ppm) | 0.061 | 0.018 | 0.050 | 0.072 | 4-Acid Digestion |
Bi, Bismuth (ppm) | < 0.020 | IND | IND | IND | 4-Acid Digestion |
Cd, Cadmium (ppm) | < 0.020 | IND | IND | IND | 4-Acid Digestion |
Ce, Cerium (ppm) | 2.26 | 0.187 | 2.20 | 2.31 | 4-Acid Digestion |
Co, Cobalt (ppm) | 0.68 | 0.048 | 0.65 | 0.71 | 4-Acid Digestion |
Cr, Chromium (ppm) | 6.47 | 1.11 | 5.29 | 7.65 | 4-Acid Digestion |
Cs, Caesium (ppm) | 0.095 | 0.010 | 0.089 | 0.102 | 4-Acid Digestion |
Fe, Iron (wt.%) | 0.346 | 0.015 | 0.335 | 0.358 | 4-Acid Digestion |
Ga, Gallium (ppm) | 0.24 | 0.03 | 0.21 | 0.26 | 4-Acid Digestion |
Hf, Hafnium (ppm) | 0.23 | 0.05 | 0.21 | 0.26 | 4-Acid Digestion |
In, Indium (ppm) | < 0.005 | IND | IND | IND | 4-Acid Digestion |
K, Potassium (wt.%) | < 0.010 | IND | IND | IND | 4-Acid Digestion |
La, Lanthanum (ppm) | 1.09 | 0.12 | 1.04 | 1.14 | 4-Acid Digestion |
Li, Lithium (ppm) | 14.6 | 0.69 | 14.1 | 15.1 | 4-Acid Digestion |
Mg, Magnesium (wt.%) | < 0.010 | IND | IND | IND | 4-Acid Digestion |
Mn, Manganese (wt.%) | 0.008 | 0.000 | 0.008 | 0.008 | 4-Acid Digestion |
Mo, Molybdenum (ppm) | 1.05 | 0.056 | 1.02 | 1.08 | 4-Acid Digestion |
Na, Sodium (wt.%) | < 0.005 | IND | IND | IND | 4-Acid Digestion |
Nb, Niobium (ppm) | 1.03 | 0.066 | 0.99 | 1.06 | 4-Acid Digestion |
Nd, Neodymium (ppm) | 0.90 | 0.078 | 0.84 | 0.96 | 4-Acid Digestion |
Ni, Nickel (ppm) | 5.23 | 0.442 | 5.01 | 5.44 | 4-Acid Digestion |
P, Phosphorus (wt.%) | < 0.005 | IND | IND | IND | 4-Acid Digestion |
Pb, Lead (ppm) | < 1.00 | IND | IND | IND | 4-Acid Digestion |
Rb, Rubidium (ppm) | 0.32 | 0.06 | 0.29 | 0.35 | 4-Acid Digestion |
Re, Rhenium (ppm) | < 0.002 | IND | IND | IND | 4-Acid Digestion |
S, Sulphur (wt.%) | < 0.005 | IND | IND | IND | 4-Acid Digestion |
Sb, Antimony (ppm) | 0.19 | 0.03 | 0.16 | 0.21 | 4-Acid Digestion |
Se, Selenium (ppm) | < 1.00 | IND | IND | IND | 4-Acid Digestion |
Sm, Samarium (ppm) | 0.20 | 0.009 | 0.19 | 0.21 | 4-Acid Digestion |
Sn, Tin (ppm) | 0.65 | 0.054 | 0.62 | 0.67 | 4-Acid Digestion |
Sr, Strontium (ppm) | 0.64 | 0.15 | 0.55 | 0.74 | 4-Acid Digestion |
Ta, Tantalum (ppm) | < 0.10 | IND | IND | IND | 4-Acid Digestion |
Tb, Terbium (ppm) | < 0.050 | IND | IND | IND | 4-Acid Digestion |
Te, Tellurium (ppm) | < 0.050 | IND | IND | IND | 4-Acid Digestion |
Th, Thorium (ppm) | 0.68 | 0.054 | 0.64 | 0.71 | 4-Acid Digestion |
Ti, Titanium (wt.%) | 0.031 | 0.001 | 0.030 | 0.032 | 4-Acid Digestion |
Tl, Thallium (ppm) | < 0.020 | IND | IND | IND | 4-Acid Digestion |
Tm, Thulium (ppm) | < 0.050 | IND | IND | IND | 4-Acid Digestion |
U, Uranium (ppm) | 0.13 | 0.04 | 0.11 | 0.16 | 4-Acid Digestion |
V, Vanadium (ppm) | 2.65 | 0.48 | 2.33 | 2.96 | 4-Acid Digestion |
W, Tungsten (ppm) | 0.17 | 0.05 | 0.13 | 0.21 | 4-Acid Digestion |
Y, Yttrium (ppm) | 0.63 | 0.09 | 0.56 | 0.70 | 4-Acid Digestion |
Zn, Zinc (ppm) | 4.33 | 1.47 | 3.28 | 5.38 | 4-Acid Digestion |
Zr, Zirconium (ppm) | 7.91 | 0.89 | 7.69 | 8.12 | 4-Acid Digestion |
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