Detail ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM906-11
ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM906-11
Certified Control Values
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) nr nr nr nr
Copper ( ppm) 369 30 49 + / - 9
Zinc ( ppm) 63072 3632 47 + / - 1078
Lead ( ppm) 1554 105 44 + / - 32
Cobalt ( ppm) 13 nc nc nc
Silver ( ppm) 2.6 0.7 37 + / - 0.25
Sulphur ( % ) nr nr nr nr
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