Detail Certified Geochem Base Metal Reference Material Product Code GBM913-4
Certified Geochem Base Metal Reference Material Product Code GBM913-4
Certified Control Values
Total Digest
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) 104 7 65 + / - 1.7
Copper ( ppm) 1556 43 69 + / - 10.3
Zinc ( ppm) 282 14 66 + / - 3.4
Lead ( ppm) 291 13 65 + / - 3.3
Arsenic ( ppm) 255 12 54 + / - 3.4
Cobalt ( ppm) 193 13 70 + / - 3
Silver ( ppm) 2.0 0.2 49 + / - 0.05
Partial Digest
Element Grade Standard Deviation Num of Analyses Confidence Interval
Nickel ( ppm) 102 9 59 + / - 2.5
Copper ( ppm) 1534 73 73 + / - 17.2
Zinc ( ppm) 250 17 65 + / - 4.2
Lead ( ppm) 195 24 57 + / - 6.3
Arsenic ( ppm) 256 16 63 + / - 4
Cobalt ( ppm) 192 15 58 + / - 4
Silver ( ppm) 1.9 0.2 62 + / - 0.04
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