Detail ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM310-14
ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM310-14
Certified Control Values
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) 41 nr nr nr
Copper ( ppm) 116 nr nr nr
Zinc ( ppm) 179106 8084 169 + / - 1231
Lead ( ppm) 89465 3355 163 + / - 521
Cobalt ( ppm) nr nr nr nr
Silver ( ppm) 59.6 2.5 165 + / - 0.38
Sulphur ( % ) 10.96 0.38 137 + / - 0.06
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