Detail ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM909-15
ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM909-15
Certified Control Values
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) 115901 5301 116 + / - 979
Copper ( ppm) 13120 425 152 + / - 68
Zinc ( ppm) 26608 1283 148 + / - 209
Lead ( ppm) 2120 131 142 + / - 22
Cobalt ( ppm) nr nr nr nr
Silver ( ppm) 13.5 1.2 99 + / - 0.24
Sulphur ( % ) 26.75 0.94 118
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