Detail ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM309-14
ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM309-14
Certified Control Values
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) 22 nr nr nr
Copper ( ppm) 28025 1176 157 + / - 186
Zinc ( ppm) 227192 10735 137 + / - 1820
Lead ( ppm) 14982 451 128 + / - 79
Cobalt ( ppm) nr nr nr nr
Silver ( ppm) 153.1 8.2 144 + / - 1.36
Sulphur ( % ) 33.21 1.25 113 + / - 0.23
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