Table 2 Comparison of mean, minimum, and maximum values for Cu, Zn, and Pb isotopic composition of this study and other reported literature data
Particle size (µm) | δ65CuAE647(‰) | δ66ZnIRMM3702(‰) | 206Pb/207Pb | References |
|---|---|---|---|---|
> 1000 | − 0.01 (− 0.23 to 0.23) | − 0.21 (− 0.36 to − 0.12) | 1.1500 (1.1418–1.1561) | This study (N = 11) |
500–1000 | 0.08 (− 0.08 to 0.51) | − 0.19 (− 0.30 to − 0.10) | 1.1537 (1.1495–1.1556) | This study (N = 11) |
250–500 | − 0.08 (− 0.33 to 0.12) | − 0.17 (− 0.22 to − 0.06) | 1.1540 (1.1488–1.1610) | This study (N = 11) |
125–250 | 0.10 (− 0.07 to 0.73) | − 0.18 (− 0.25 to − 0.06) | 1.1536 (1.1476–1.1570) | This study (N = 11) |
63–125 | 0.03 (− 0.07 to 0.09) | − 0.20 (− 0.26 to − 0.12) | 1.1545 (1.1499–1.1616) | This study (N = 11) |
< 63 | 0.03 (− 0.13 to 0.16) | − 0.13 (− 0.27 to 0.01) | 1.1568 (1.1539–1.1596) | This study (N = 11) |
TSS | 0.01 (− 0.11 to 0.15) | − 0.11 (− 0.21 to − 0.02) | 1.1534 (1.1516–1.1554) | This study (N = 12) |
Road dust (São Paulo) | − 0.07 (− 0.13 to 0.4) | − 0.15 (− 0.19 to 0.10) | 1.1740 (1.1600–1.1860) | (Souto-Oliveira et al. 2018) (N = 5) |
Road paint (UK) | 0.03 (− 0.39 to 0.35) | 0.10 (− 0.20 to 0.31) | 1.1577 (1.1471–1.1708) | (Dong et al. 2017) (N = 4) |
Brake (UK) | 0.30 (0.07–0.42) | − 0.10 (− 0.12 to − 0.07) | 1.2133 (1.1651–1.2547) | (Dong et al. 2017) (N = 3) |
Tire (UK) | 0.05 (− 0.04 to 0.12) | − 0.07 (− 0.08 to − 0.06) | 1.1607 (1.1502–1.1660) | (Dong et al. 2017) (N = 3) |