Detail ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM309-16
ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM309-16
Certified Control Values
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) 23 nr nr nr
Copper ( ppm) 52303 1859 171 + / - 281
Zinc ( ppm) 105330 3882 136 + / - 661
Lead ( ppm) 14761 626 147 + / - 102
Cobalt ( ppm) nr nr nr nr
Silver ( ppm) 225.2 10.7 147 + / - 1.76
Sulphur ( % ) 27.90 1.03 116 + / - 0.19
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