Table 2 Arsenic concentrations in the tissues of the animals on exposure to sodium arsenite and sodium arsenate for 12 weeks through drinking water

Tissue

Control

50 ppm

100 ppm

150 ppm

Control

100 ppm

150 ppm

200 ppm

Blood (μg/ml)

11.24 ± 2.35a

304.99 ± 15.43b

300.85 ± 18.89b

257.62 ± 12.61c

23.60 ± 2.99a

228.44 ± 31.07b

267.10 ± 13.79c

273.23 ± 14.33c

Liver (μg/g wet weight)

1.73 ± 0.07a

19.92 ± 2.16b

14.85 ± 1.07c

22.44 ± 3.02b

3.54 ± 0.26a

10.03 ± 0.58b

19.32 ± 3.93c

14.19 ± 0.96d

Kidney (μg/g wet weight)

2.06 ± 0.16a

5.56 ± 0.28b

39.54 ± 1.95c

27.36 ± 2.03d

2.06 ± 0.16a

6.31 ± 0.37b

32.84 ± 3.09c

47.90 ± 2.99d

Brain (μg/g wet weight)

0.69 ± 0.05a

3.11 ± 0.24b

24.88 ± 2.57c

35.21 ± 4.33d

1.74 ± 0.15a

18.95 ± 1.81b

31.65 ± 2.15c

22.11 ± 2.10d

Heart (μg/g wet weight)

0.20 ± 0.03a

16.54 ± 1.11b

53.54 ± 5.57c

46.01 ± 2.30c

0.02 ± 0.03a

42.16 ± 2.39c

18.80 ± 3.46b

27.98 ± 2.99b

Lung (μg/g wet weight)

0.71 ± 0.03a

4.97 ± 0.45a

28.73 ± 3.73b

33.20 ± 4.67b

0.75 ± 0.02a

6.64 ± 0.88a

44.80 ± 7.18b

28.39 ± 4.62b

Spleen (μg/g wet weight)

3.37 ± 0.29a

40.35 ± 2.92b

38.08 ± 1.60b

58.32 ± 5.08c

5.88 ± 0.33a

20.66 ± 2.14b

31.41 ± 3.40b

23.12 ± 1.06b