Detail ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM911-15
ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM911-15
Certified Control Values
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) 22754 980 160 + / - 154
Copper ( ppm) 5015 250 206 + / - 34
Zinc ( ppm) 260 nr nr nr
Lead ( ppm) 262 nr nr nr
Cobalt ( ppm) nr nr nr nr
Silver ( ppm) 2.9 0.7 157 + / - 0.1
Sulphur ( % ) 8.05 0.27 144 + / - 0.04
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