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OREAS 231
primary
greenstone
orogenic lode gold
Koleksiyonlar /OREAS CRM /OREAS 231

OREAS 231

SKU: 231

OREAS 231 was prepared from a blend of gold-bearing ore and barren
greenstone. The ore was sourced from the Frogs Leg Gold Mine located 19km west
of Kalgoorlie in Western Australia. The ore lodes lie within sheared contacts
between volcaniclastics and basalt and are hosted in laminated quartz veins,
breccia and wall rock alteration. The Cambrian greenstone was sourced from a
quarry 145km north of Melbourne, Australia.
Thirty-five commercial analytical laboratories participated in the program to
certify:

Gold by fire assay;
Full ICP-OES and ICP-MS elemental suites by 4-acid digestion;
Gold by 15-50g aqua regia digestion;
Gold by cyanide leach.

Specifications

  • State: primary
  • Matrix: greenstone
  • Mineralisation: orogenic lode gold
  • CRM Group: Au, Au only

Certified Values

Analyte Certified Value 1SD 95% CL Low 95% CL High Method
Au, Gold (ppm) 0.542 0.015 0.538 0.547 Pb Fire Assay
Au, Gold (ppm) 0.521 0.018 0.513 0.528 Aqua Regia Digestion (sample weights 10-50g)
Au, Gold (ppm) 0.516 0.027 0.504 0.527 Cyanide Leach
Ag, Silver (ppm) 0.177 0.024 0.166 0.188 4-Acid Digestion
Al, Aluminium (wt.%) 7.14 0.256 7.03 7.24 4-Acid Digestion
As, Arsenic (ppm) 27.2 2.08 26.3 28.2 4-Acid Digestion
Ba, Barium (ppm) 112 4 110 114 4-Acid Digestion
Be, Beryllium (ppm) 0.36 0.05 0.34 0.38 4-Acid Digestion
Bi, Bismuth (ppm) 0.037 0.010 0.033 0.041 4-Acid Digestion
Ca, Calcium (wt.%) 7.47 0.256 7.36 7.58 4-Acid Digestion
Cd, Cadmium (ppm) 0.35 0.05 0.33 0.38 4-Acid Digestion
Ce, Cerium (ppm) 11.0 0.72 10.6 11.3 4-Acid Digestion
Co, Cobalt (ppm) 44.7 2.92 43.5 45.8 4-Acid Digestion
Cr, Chromium (ppm) 133 18 125 141 4-Acid Digestion
Cs, Caesium (ppm) 0.56 0.019 0.55 0.57 4-Acid Digestion
Cu, Copper (ppm) 161 9 157 164 4-Acid Digestion
Dy, Dysprosium (ppm) 3.71 0.138 3.63 3.79 4-Acid Digestion
Er, Erbium (ppm) 2.35 0.129 2.27 2.43 4-Acid Digestion
Eu, Europium (ppm) 0.93 0.062 0.89 0.98 4-Acid Digestion
Fe, Iron (wt.%) 8.05 0.281 7.94 8.17 4-Acid Digestion
Ga, Gallium (ppm) 15.9 0.55 15.7 16.2 4-Acid Digestion
Gd, Gadolinium (ppm) 3.23 0.188 3.11 3.35 4-Acid Digestion
Hf, Hafnium (ppm) 1.63 0.125 1.57 1.68 4-Acid Digestion
Ho, Holmium (ppm) 0.82 0.045 0.79 0.86 4-Acid Digestion
In, Indium (ppm) 0.070 0.006 0.068 0.073 4-Acid Digestion
K, Potassium (wt.%) 0.288 0.012 0.283 0.294 4-Acid Digestion
La, Lanthanum (ppm) 4.47 0.257 4.36 4.58 4-Acid Digestion
Li, Lithium (ppm) 11.1 0.94 10.6 11.5 4-Acid Digestion
Lu, Lutetium (ppm) 0.33 0.017 0.31 0.34 4-Acid Digestion
Mg, Magnesium (wt.%) 3.90 0.149 3.84 3.97 4-Acid Digestion
Mn, Manganese (wt.%) 0.139 0.007 0.136 0.142 4-Acid Digestion
Mo, Molybdenum (ppm) 0.86 0.09 0.82 0.90 4-Acid Digestion
Na, Sodium (wt.%) 1.75 0.052 1.73 1.77 4-Acid Digestion
Nb, Niobium (ppm) 3.50 0.282 3.37 3.62 4-Acid Digestion
Nd, Neodymium (ppm) 7.98 0.303 7.81 8.15 4-Acid Digestion
Ni, Nickel (ppm) 88 5.4 86 90 4-Acid Digestion
P, Phosphorus (wt.%) 0.039 0.002 0.038 0.040 4-Acid Digestion
Pb, Lead (ppm) 12.8 1.20 12.2 13.4 4-Acid Digestion
Pr, Praseodymium (ppm) 1.66 0.077 1.61 1.70 4-Acid Digestion
Rb, Rubidium (ppm) 8.08 0.437 7.89 8.26 4-Acid Digestion
Re, Rhenium (ppm) < 0.002 IND IND IND 4-Acid Digestion
S, Sulphur (wt.%) 0.220 0.015 0.213 0.227 4-Acid Digestion
Sb, Antimony (ppm) 0.71 0.061 0.68 0.74 4-Acid Digestion
Sc, Scandium (ppm) 42.2 2.36 41.2 43.2 4-Acid Digestion
Sm, Samarium (ppm) 2.49 0.143 2.41 2.57 4-Acid Digestion
Sn, Tin (ppm) 0.90 0.13 0.84 0.96 4-Acid Digestion
Sr, Strontium (ppm) 179 7 177 182 4-Acid Digestion
Ta, Tantalum (ppm) 0.22 0.015 0.21 0.23 4-Acid Digestion
Tb, Terbium (ppm) 0.58 0.038 0.55 0.60 4-Acid Digestion
Te, Tellurium (ppm) 0.068 0.010 0.063 0.073 4-Acid Digestion
Th, Thorium (ppm) 0.72 0.08 0.69 0.75 4-Acid Digestion
Ti, Titanium (wt.%) 0.617 0.027 0.606 0.629 4-Acid Digestion
Tl, Thallium (ppm) 0.12 0.008 0.11 0.12 4-Acid Digestion
Tm, Thulium (ppm) 0.33 0.028 0.32 0.35 4-Acid Digestion
U, Uranium (ppm) 0.20 0.006 0.20 0.20 4-Acid Digestion
V, Vanadium (ppm) 285 17 278 292 4-Acid Digestion
W, Tungsten (ppm) 15.2 1.07 14.7 15.7 4-Acid Digestion
Y, Yttrium (ppm) 20.7 0.89 20.4 21.1 4-Acid Digestion
Yb, Ytterbium (ppm) 2.20 0.124 2.14 2.27 4-Acid Digestion
Zn, Zinc (ppm) 113 5 111 115 4-Acid Digestion
Zr, Zirconium (ppm) 50 4.3 49 52 4-Acid Digestion

Ürün Özellikleri

Durum primary
Matris greenstone
Mineralizasyon orogenic lode gold
Stok Durumu available
$6.75
Adet

İndirmeler ve Dökümanlar

Analiz Sertifikası Veri Paketi Güvenlik Bilgi Formu

Stok

Paket Boyutu Fiyat Stok Seviyesi
35g Sachet $6.75 1025 +

Sertifikalı Referans Değerler

Analit Sertifikalı Değer Belirsizlik (1SD) %95 Güven Aralığı Alt %95 Güven Aralığı Üst Yöntem
Ce - Cerium (ppm) 11.0 - - - 4-Acid Digestion
Dy - Dysprosium (ppm) 3.71 - - - 4-Acid Digestion
Er - Erbium (ppm) 2.35 - - - 4-Acid Digestion
Eu - Europium (ppm) 0.93 - - - 4-Acid Digestion
Gd - Gadolinium (ppm) 3.23 - - - 4-Acid Digestion
Ho - Holmium (ppm) 0.82 - - - 4-Acid Digestion
La - Lanthanum (ppm) 4.47 - - - 4-Acid Digestion
Lu - Lutetium (ppm) 0.33 - - - 4-Acid Digestion
Nd - Neodymium (ppm) 7.98 - - - 4-Acid Digestion
Pr - Praseodymium (ppm) 1.66 - - - 4-Acid Digestion
Sm - Samarium (ppm) 2.49 - - - 4-Acid Digestion
Tb - Terbium (ppm) 0.58 - - - 4-Acid Digestion
Tm - Thulium (ppm) 0.33 - - - 4-Acid Digestion
Y - Yttrium (ppm) 20.7 - - - 4-Acid Digestion
Yb - Ytterbium (ppm) 2.20 - - - 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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