Detail Certified Geochem Base Metal Reference Material Product Code GBM311-7
Certified Geochem Base Metal Reference Material Product Code GBM311-7
Certified Control Values
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) 126 10 139 + / - 1.8
Copper ( ppm) 947 44 177 + / - 6.5
Zinc ( ppm) 452 34 173 + / - 5.1
Lead ( ppm) 134 11 164 + / - 1.7
Arsenic ( ppm) 830 50 143 + / - 8.3
Cobalt ( ppm) 28 3 138 + / - 0.4
Silver ( ppm) 2.0 0.3 146 + / - 0.05
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