Speciation Analysis of Arsenic Compounds by HPLC-ICP-MS: Application for Human Serum and Urine
Table 4
Average concentrations of arsenic species in serum and urine.
Sample
Concentrations of As species (ng·mL−1)
AsB
As(III)
DMA
MMA
As(V)
Total iAsa
Total Asb
Serum
Male (n = 7)
6.93 (1.63–19.8)
7.31 (1.5–22.0)
6.01 (0.35–11.23)
0.46 (0.4–0.8)
0.27 (0.27–0.27)
7.58 (1.77–22.3)
20.5 (6.4–26.5)
Female (n = 10)
6.64 (1.09–17.7)
7.20 (1.5–21.6)
10.0 (0.35–39.6)
1.46 (0.4–0.98)
0.80 (0.27–5.54)
8.00 (1.77–27.14)
24.9 (13.7–40.5)
Urine
Male (n = 7)
2.26 (0.36–4.28)
1.50 (1.5–1.50)
2.16 (0.47–3.80)
0.97 (0.15–1.52)
0.56 (0.09–1.3)
2.06 (1.59–2.8)
60.6 (22.7–99.6)
Female (n = 10)
1.85 (0.25–5.20)
1.50 (1.5–1.50)
1.77 (0.43–3.66)
0.91 (0.36–1.35)
0.34 (0.27–0.83)
1.84 (1.77–2.33)
46.0 (9.60–106)
aTotal concentrations of inorganic arsenic species were defined by the sum of As(III) and As(V); btotal concentrations of arsenic were determined by microwave digestion and ICPMS measurement.