primary
granodiorite
barren
OREAS 23c
رمز المنتج: 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 |
مواصفات المنتج
الحالة
primary
المصفوفة
granodiorite
التمعدن
barren
التوفر
available
القيم المرجعية المعتمدة
| المادة المحللة | القيمة المعتمدة | عدم اليقين (1SD) | حد الثقة الأدنى 95% | حد الثقة الأعلى 95% | الطريقة |
|---|---|---|---|---|---|
| Ce - Cerium (ppm) | 83 | - | - | - | 4-Acid Digestion |
| La - Lanthanum (ppm) | 38.7 | - | - | - | 4-Acid Digestion |
| Y - Yttrium (ppm) | 18.8 | - | - | - | 4-Acid Digestion |
SD = الانحراف المعياري | CL = حدود الثقة 95%
الطرق: AR = الماء الملكي، 4-Acid = هضم رباعي الحمض، LBF = صهر بورات الليثيوم، FA/AAS = فحص النار / AAS، LECO = تحليل احتراق LECO
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