Table 5.
Speciation and quantification of arsenic in infant and maternal urine at 6 months of child’s age
| Arsenic and Arsenic species | Mother | Infant | ||||
|---|---|---|---|---|---|---|
| N | Median, in μg/L(10th-90th percentiles) | Range: min – max, in μg/L | N | Median, in μg/L(10th-90th percentiles) | Range: min – max, in μg/L | |
| Total arsenic | 12 | 50.5 (20 – 87) | 14 - 93 | 12 | 16.5 (3–27) | 2 - 28 |
| Arsenite (AsIII) | 12 | 4.97 (2.74 – 11.6) | 0.697 – 24.6 | 10 | 1.61 (0.34 – 3.72) | 0.33 – 3.8 |
| Arsenate (AsV) | 12 | 1.26 (0.65 – 7.09) | 0.517 – 10.7 | 12 | 0.40 (0.14 – 1.36) | 0.12 – 3.07 |
| Monomethyl Arsonic Acid (MMA) | 12 | 7.41 (2.44 – 11.6) | 0.836 – 13.1 | 12 | 0.99 (0.31 – 3.01) | 0.13 – 3.42 |
| Dimethyl Arsinic Acid (DMA | 12 | 34.65 (14.8 – 63.9) | 11.7 – 66.6 | 12 | 12.75 (2.1 – 19.7) | 1.25 – 20.2 |
| Arsenobetaine | 10 | 0.46 (0.11 – 1.77) | 0.096 – 2.21 | 10 | 0.24 (0.09 – 5.08) | 0.06 – 6.34 |