Detail ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM911-16
ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM911-16
Certified Control Values
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) 229 nr nr nr
Copper ( ppm) 24774 871 199 + / - 122
Zinc ( ppm) 1210 56 171 + / - 9
Lead ( ppm) 325 nr nr nr
Cobalt ( ppm) nr nr nr nr
Silver ( ppm) 7.9 1.0 173 + / - 0.14
Sulphur ( % ) 3.62 0.17 142 + / - 0.03
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