Detail ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM908-11
ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM908-11
Certified Control Values
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) nr nr nr nr
Copper ( ppm) 177033 5807 106 + / - 1124
Zinc ( ppm) 23604 1104 55 + / - 301
Lead ( ppm) 547 71 52 + / - 20
Cobalt ( ppm) nr nr nr nr
Silver ( ppm) 11.4 1.7 55 + / - 0.46
Sulphur ( % ) 29.78 0.90 88 + / - 0.19
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