Detail Certified Geochem Base Metal Reference Material Product Code GBM913-2
Certified Geochem Base Metal Reference Material Product Code GBM913-2
Certified Control Values
Total Digest
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) 4 2 49 + / - 0.5
Copper ( ppm) 11 5 61 + / - 1.2
Zinc ( ppm) 9 4 60 + / - 1.1
Lead ( ppm) 17 5 59 + / - 1.4
Arsenic ( ppm) 22 8 48 + / - 2.2
Cobalt ( ppm) 2 1 31 + / - 0.4
Silver ( ppm) 0.9 nr nr nr
Partial Digest
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) 5 2 36 + / - 0.8
Copper ( ppm) 9 3 58 + / - 0.9
Zinc ( ppm) 7 4 51 + / - 1.2
Lead ( ppm) 13 6 51 + / - 1.7
Arsenic ( ppm) 10 6 45 + / - 1.7
Cobalt ( ppm) 3 nr nr nr
Silver ( ppm) 0.5 nr nr nr
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