Table 2 Estimated concentrations of elements in enamels
Time | ID | Pb (μg/g) | Hg (ng/g) | Cu (μg/g) | Zn (μg/g) | Tooth age at ad 2000 | ||||
|---|---|---|---|---|---|---|---|---|---|---|
ICP | SRXRF | AAS | SRXRF | ICP | SRXRF | ICP | SRXRF | |||
Modem | M1 | 1.0 | 0.7 | 1.8 | 1.7 | 0.4 | 0.1 | 170.0 | 130.4 | 17 |
M2 | 0.3 | 1.0 | 1.5 | 1.5 | 0.6 | 2.7 | 190.0 | 173.0 | 25 | |
M3 | 0.4 | 1.3 | 2.0 | 1.9 | 0.7 | 0.0 | 140.0 | 171.5 | 31 | |
M4 | 1.2 | 1.2 | 1.8 | 1.7 | 0.3 | 0.8 | 120.0 | 118.5 | 42 | |
M5 | 3.7 | 2.0 | 1.7 | 1.6 | 0.1 | 1.0 | 160.0 | 156.6 | 66 | |
Mean | 1.3 | 1.2 | 1.8 | 1.7 | 0.4 | 0.9 | 156.0 | 150.0 | ||
SD | 1.4 | 0.5 | 0.2 | 0.2 | 0.2 | 1.1 | 27.0 | 24.6 | ||
Edo | E1 | 0.1 | 0.5 | 1.5 | 1.4 | 0.5 | 3.0 | 170.0 | 128.0 | 300 |
E2 | 0.1 | 0.5 | 1.2 | 1.5 | 0.4 | 0.4 | 130.0 | 98.5 | 300 | |
E3 | 7.3 | 4.0 | 1.2 | 1.3 | 0.5 | 0.0 | 110.0 | 72.8 | 300 | |
E4 | 3.9 | 2.8 | 1.0 | 1.4 | 0.3 | 1.4 | 130.0 | 104.3 | 300 | |
Mean | 2.6 | 1.7 | 1.0 | 1.2 | 0.4 | 1.2 | 113.4 | 85.6 | ||
SD | 3.1 | 1.7 | 0.5 | 0.5 | 0.1 | 1.2 | 53.0 | 39.4 | ||
Medieval | C1 | 1.1 | 1.3 | 1.5 | 1.4 | 57.0 | 56.2 | 110.0 | 119.7 | 600 |
C2 | 0.7 | 1.4 | 1.3 | 1.2 | 220.0 | 215.6 | 120.0 | 170.7 | 600 | |
C3 | 0.2 | 0.5 | 2.0 | 1.5 | 0.4 | 2.2 | 82.0 | 72.1 | 1,000 | |
Mean | 1.5 | 1.3 | 1.3 | 1.2 | 55.6 | 55.3 | 95.7 | 97.5 | ||
SD | 1.2 | 0.5 | 0.6 | 0.4 | 95.1 | 92.7 | 27.9 | 50.0 | ||
Tumulus | T1 | 0.1 | 0.4 | 1.2 | 1.6 | 0.2 | 0.8 | 170.0 | 130.3 | 1,400 |
Jomon | J1 | 0.4 | 0.4 | 1.5 | 1.4 | 0.7 | 2.7 | 96.0 | 117.9 | 2,500 |
J2 | 0.2 | 0.4 | 1.2 | 1.3 | 0.2 | 1.0 | 120.0 | 114.3 | 2,500 | |
J3 | 0.4 | 0.9 | 2.5 | 2.2 | 0.5 | 0.0 | 100.0 | 117.1 | 3,000 | |
Mean | 0.3 | 0.6 | 1.7 | 1.7 | 0.5 | 1.2 | 105.3 | 116.4 | ||
SD | 0.1 | 0.3 | 0.7 | 0.5 | 0.3 | 1.4 | 12.9 | 1.9 | ||
Edo | K 1st | 26.0 | 25.8 | 0.6 | 0.4 | 15.0 | 11.8 | 0.5 | 19.3 | 204 |
K 2nd | 24.0 | 22.0 | 1.9 | 1.8 | 20.0 | 19.2 | 2.5 | 24.9 | 204 | |
K 3rd | 7.1 | 7.1 | 0.7 | 0.6 | 16.0 | 11.3 | 0.9 | 18.9 | 204 | |