Detail Certified Geochem Base Metal Reference Material Product Code GBM913-7
Certified Geochem Base Metal Reference Material Product Code GBM913-7
Certified Control Values
Total Digest
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) 10 2 61 + / - 0.6
Copper ( ppm) 7990 180 66 + / - 44.5
Zinc ( ppm) 431 20 66 + / - 4.9
Lead ( ppm) 633 25 63 + / - 6.3
Arsenic ( ppm) 2052 100 55 + / - 27.4
Cobalt ( ppm) 17 2 65 + / - 0.4
Silver ( ppm) 7.0 0.5 59 + / - 0.12
Partial Digest
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) 9 2 56 + / - 0.7
Copper ( ppm) 7951 299 70 + / - 71.9
Zinc ( ppm) 412 28 65 + / - 7
Lead ( ppm) 528 54 63 + / - 13.8
Arsenic ( ppm) 2132 133 61 + / - 34.3
Cobalt ( ppm) 17 2 56 + / - 0.6
Silver ( ppm) 6.8 0.5 70 + / - 0.12
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