primary
granodiorite
barren
OREAS 23c
SKU: 23c
OREAS 23c has been prepared from S-Type granodiorite sourced from the
Devonian Bulla Granodiorite Complex located north of Melbourne, Australia. It is
characterised by low background gold of less than 10 parts per billion. Ten
commercial analytical laboratories participated in the program to certify:
Gold by low-level fire assay
Four acid digestion with full ICP-OES and ICP-MS elemental
suites
Specifications
- State: primary
- Matrix: granodiorite
- Mineralisation: barren
- CRM Group: Blank/lithogeochem/low-level
Certified Values
| Analyte | Certified Value | 1SD | 95% CL Low | 95% CL High | Method |
|---|---|---|---|---|---|
| Au, Gold (ppb) | < 10.0 | IND | IND | IND | Pb Fire Assay |
| Ag, Silver (ppm) | 0.091 | 0.011 | 0.073 | 0.109 | 4-Acid Digestion |
| Al, Aluminium (wt.%) | 7.92 | 0.221 | 7.56 | 8.27 | 4-Acid Digestion |
| As, Arsenic (ppm) | 18.1 | 0.98 | 17.1 | 19.2 | 4-Acid Digestion |
| Ba, Barium (ppm) | 1064 | 36 | 1013 | 1115 | 4-Acid Digestion |
| Be, Beryllium (ppm) | 2.97 | 0.157 | 2.78 | 3.16 | 4-Acid Digestion |
| Bi, Bismuth (ppm) | 0.66 | 0.07 | 0.52 | 0.79 | 4-Acid Digestion |
| Ca, Calcium (wt.%) | 2.03 | 0.072 | 1.95 | 2.12 | 4-Acid Digestion |
| Cd, Cadmium (ppm) | 0.17 | 0.012 | 0.15 | 0.19 | 4-Acid Digestion |
| Ce, Cerium (ppm) | 83 | 4.1 | 79 | 86 | 4-Acid Digestion |
| Co, Cobalt (ppm) | 9.77 | 0.344 | 8.97 | 10.57 | 4-Acid Digestion |
| Cr, Chromium (ppm) | 53 | 8 | 45 | 61 | 4-Acid Digestion |
| Cs, Caesium (ppm) | 12.6 | 0.27 | 12.0 | 13.2 | 4-Acid Digestion |
| Cu, Copper (ppm) | 28.0 | 1.54 | 26.0 | 30.0 | 4-Acid Digestion |
| Fe, Iron (wt.%) | 3.22 | 0.086 | 3.13 | 3.32 | 4-Acid Digestion |
| Ga, Gallium (ppm) | 21.2 | 0.81 | 19.9 | 22.4 | 4-Acid Digestion |
| Hf, Hafnium (ppm) | 2.24 | 0.111 | 2.09 | 2.40 | 4-Acid Digestion |
| In, Indium (ppm) | 0.066 | 0.005 | 0.055 | 0.076 | 4-Acid Digestion |
| K, Potassium (wt.%) | 3.04 | 0.075 | 2.96 | 3.12 | 4-Acid Digestion |
| La, Lanthanum (ppm) | 38.7 | 1.92 | 35.4 | 42.1 | 4-Acid Digestion |
| Li, Lithium (ppm) | 51 | 2.0 | 48 | 54 | 4-Acid Digestion |
| Mg, Magnesium (wt.%) | 0.921 | 0.036 | 0.890 | 0.952 | 4-Acid Digestion |
| Mn, Manganese (wt.%) | 0.042 | 0.001 | 0.040 | 0.043 | 4-Acid Digestion |
| Mo, Molybdenum (ppm) | 3.20 | 0.299 | 2.89 | 3.51 | 4-Acid Digestion |
| Na, Sodium (wt.%) | 2.09 | 0.089 | 1.99 | 2.19 | 4-Acid Digestion |
| Nb, Niobium (ppm) | 15.6 | 0.77 | 14.8 | 16.5 | 4-Acid Digestion |
| Ni, Nickel (ppm) | 23.8 | 0.85 | 22.4 | 25.2 | 4-Acid Digestion |
| P, Phosphorus (wt.%) | 0.091 | 0.002 | 0.088 | 0.094 | 4-Acid Digestion |
| Pb, Lead (ppm) | 23.4 | 1.43 | 21.4 | 25.4 | 4-Acid Digestion |
| Rb, Rubidium (ppm) | 185 | 7 | 178 | 192 | 4-Acid Digestion |
| S, Sulphur (wt.%) | 0.117 | 0.009 | 0.108 | 0.126 | 4-Acid Digestion |
| Sb, Antimony (ppm) | 0.34 | 0.022 | 0.30 | 0.38 | 4-Acid Digestion |
| Sc, Scandium (ppm) | 9.85 | 0.220 | 9.70 | 10.01 | 4-Acid Digestion |
| Sn, Tin (ppm) | 4.85 | 0.254 | 4.49 | 5.20 | 4-Acid Digestion |
| Sr, Strontium (ppm) | 202 | 4 | 192 | 211 | 4-Acid Digestion |
| Ta, Tantalum (ppm) | 1.30 | 0.079 | 1.20 | 1.40 | 4-Acid Digestion |
| Th, Thorium (ppm) | 16.4 | 1.44 | 15.0 | 17.8 | 4-Acid Digestion |
| Ti, Titanium (wt.%) | 0.419 | 0.008 | 0.411 | 0.426 | 4-Acid Digestion |
| Tl, Thallium (ppm) | 1.02 | 0.047 | 0.96 | 1.07 | 4-Acid Digestion |
| U, Uranium (ppm) | 4.60 | 0.377 | 3.98 | 5.21 | 4-Acid Digestion |
| V, Vanadium (ppm) | 75 | 2.5 | 71 | 80 | 4-Acid Digestion |
| W, Tungsten (ppm) | 10.3 | 0.82 | 8.7 | 11.9 | 4-Acid Digestion |
| Y, Yttrium (ppm) | 18.8 | 0.71 | 18.3 | 19.3 | 4-Acid Digestion |
| Zn, Zinc (ppm) | 80 | 2.7 | 76 | 84 | 4-Acid Digestion |
| Zr, Zirconium (ppm) | 71 | 4.5 | 66 | 76 | 4-Acid Digestion |
Ürün Özellikleri
Durum
primary
Matris
granodiorite
Mineralizasyon
barren
Stok Durumu
available
Sertifikalı Referans Değerler
| Analit | Sertifikalı Değer | Belirsizlik (1SD) | %95 Güven Aralığı Alt | %95 Güven Aralığı Üst | Yöntem |
|---|---|---|---|---|---|
| Ce - Cerium (ppm) | 83 | - | - | - | 4-Acid Digestion |
| La - Lanthanum (ppm) | 38.7 | - | - | - | 4-Acid Digestion |
| Y - Yttrium (ppm) | 18.8 | - | - | - | 4-Acid Digestion |
SD = Standart Sapma | CL = %95 Güven Limitleri
Yöntemler: AR = Kral Suyu, 4-Acid = 4-Asit Çözünürlük, LBF = Lityum Borat Füzyon, FA/AAS = Ateş Tahlili / AAS, LECO = LECO Yanma Analizi
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