Detail ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM911-11
ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM911-11
Certified Control Values
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) 26 nr nr nr
Copper ( ppm) 11499 415 95 + / - 85
Zinc ( ppm) 1422 67 84 + / - 15
Lead ( ppm) 1722 84 80 + / - 19
Cobalt ( ppm) nr nr nr nr
Silver ( ppm) 10.2 1.1 80 + / - 0.25
Sulphur ( % ) 2.89 0.13 68 + / - 0.03
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