Detail ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM908-12
ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM908-12
Certified Control Values
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) nr nr nr nr
Copper ( ppm) 2625 110 84 + / - 24
Zinc ( ppm) 25161 883 54 + / - 243
Lead ( ppm) 10924 445 105 + / - 87
Cobalt ( ppm) nr nr nr nr
Silver ( ppm) 22.0 1.4 78 + / - 0.32
Sulphur ( % ) 7.77 0.26 89 + / - 0.06
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