B3Z9P [this study] | B6P [this study] | NIST-SRM-610 [24] | Cpy-RM [19] | |
Cu | 89.2 ± 4.5wt.% (RSD = 5%) | 93.9 ± 4.7wt.% (RSD = 5%) | 430.3 ± 23.6 ppm (RSD = 5.5%) | 34.97 ± 0.12wt.% (RSD = 0.3%) |
Sn | 2.5 ± 0.1wt.% (RSD = 4%) | 5.9 ± 0.3wt.% (RSD = 5%) | 396.3 ± 17.8 ppm (RSD = 4.5%) | Not analyzed |
Zn | 8.02 ± 0.4wt.% (RSD = 5%) | 0.2 ± 0.01 wt.% (RSD = 5%) | 456.3 ± 19.2 ppm (RSD = 4.2%) | Not analyzed |
Fe | 300 ± 15 ppm (RSD = 5%) | 98 ± 4.9 ppm (RSD = 5%) | 457.1 ± 22.2 ppm (RSD = 4.9%) | 30.27 ± 0.17wt.% (RSD = 0.6%) |
Pb | 39 ± 2 ppm (RSD = 5%) | 60 ± 3.0 ppm (RSD = 5%) | 413.3 ± 15.4 ppm (RSD = 3.7%) | Not analyzed |