Detail ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM307-11
ÿ Certified Ore Grade Base Metal Reference Material Product Code GBM307-11
Certified Control Values
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) 11284 786 44 + / - 242
Copper ( ppm) 465 36 51 + / - 10
Zinc ( ppm) 200 nr nr nr
Lead ( ppm) 55 nr nr nr
Cobalt ( ppm) nr nr nr nr
Silver ( ppm) nr nr nr nr
Sulphur ( % ) 1.94 0.14 31 + / - 0.05
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