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Table 4 Speciation and quantification of arsenic in infant and maternal urine at 1 month of infant’s age

From: Availability of arsenic in human milk in women and its correlation with arsenic in urine of breastfed children living in arsenic contaminated areas in Bangladesh

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