Table 4.
Speciation and quantification of arsenic in infant and maternal urine at 1 month of infant’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 | 11 | 78 (24–218) | 1-224 | 12 | 4 (2–29) | 1-41 |
| Arsenite (AsIII) | 10 | 4.6 (2.3 – 25.7) | 2.06 – 25.9 | 6 | 0.71 (0.09 – 15.4) | 0.09 -15.4 |
| Arsenate (AsV) | 11 | 2.05 (1.16 – 5.78) | 0.32 – 15.7 | 6 | 1.37 (0.48 – 3.07) | 0.48 – 3.07 |
| Monomethyl Arsonic Acid (MMA) | 10 | 11.64 (2.82 – 47.65) | 2.46 – 65.5 | 10 | 0.41 (0.10 – 3.97) | 0.10 – 4.23 |
| Dimethyl Arsinic Acid (DMA) | 11 | 51 (14.8 – 152) | 0.351 – 158 | 12 | 3.2 (1.32 – 18.3) | 1.29 – 19.8 |
| Arsenobetaine | 6 | 0.76 (0.18 – 5.7) | 0.064- 6.21 | 6 | 0.20 (0.09 – 0.48) | 0.09 – 0.48 |