Table 3 Arsenic concentrations of soluble fractions extracted by hydroxylammonium chloride and phosphoric acid solution
Sample name | Depth (mbsf) | Concentration | |||
|---|---|---|---|---|---|
As(V) (ppm) | As(III)As(III) (ppm) | MAA (ppm) | AsB (ppm) | ||
C0002K-1H-3 | 202 | 2.64 | 0.13 | 0.19 | 0.01 |
C0002K-5 T-6 | 224 | 5.23 | 0.13 | 0.17 | 0.00 |
C0002K-7X-5 | 242 | 3.20 | 0.57 | 0.00 | 0.00 |
C0002K-10X-2 | 268 | 3.22 | 0.74 | 0.01 | 0.02 |
C0002L-3X-2 | 297 | 2.87 | 0.10 | 0.02 | 0.01 |
C0002L-5X-3 | 317 | 5.29 | 0.77 | 0.03 | 0.01 |
C0002L-7X-2 | 335 | 3.37 | 0.14 | 0.09 | 0.00 |
C0002L-9X-5 | 356 | 5.42 | 0.50 | 0.12 | 0.01 |
C0002L-11X-4 | 375 | 7.07 | 1.22 | 0.11 | 0.01 |
C0002L-13X-1 | 392 | 6.81 | 0.21 | 0.17 | 0.00 |
C0002L-15X-4 | 412 | 3.73 | 0.14 | 0.08 | 0.01 |
C0002L-17X-4 | 432 | 5.25 | 0.69 | 0.00 | 0.01 |
C0002L-19X-3 | 451 | 6.49 | 0.27 | 0.06 | 0.01 |
C0002L-21X-4 | 471 | 6.11 | 0.05 | 0.41 | 0.01 |
C0022B-1H-2 | 1 | 2.56 | 0.32 | 0.00 | 0.01 |
C0022B-2H-5 | 23 | 1.95 | 0.29 | 0.00 | 0.00 |
C0022B-4H-2 | 39 | 0.66 | 0.07 | 0.01 | 0.01 |
C0022B-8H-1 | 77 | 2.01 | 0.21 | 0.01 | 0.01 |
C0022B-10 T-2 | 90 | 4.56 | 0.11 | 0.09 | 0.00 |
C0022B-13X-1 | 105 | 4.87 | 0.06 | 0.24 | 0.00 |
C0022B-15X-3 | 118 | 6.26 | 0.09 | 0.09 | 0.00 |
C0022B-19X-2 | 153 | 6.02 | 0.19 | 0.04 | 0.00 |
C0022B-20X-4 | 194 | 3.01 | 0.41 | 0.07 | 0.00 |
C0022B-21X-6 | 204 | 3.08 | 0.09 | 0.18 | 0.01 |
C0022B-22X-1 | 210 | 5.91 | 0.21 | 0.00 | 0.01 |
C0022B-24X-3 | 269 | 1.01 | 0.02 | 0.05 | 0.00 |
C0022B-29X-2 | 301 | 3.00 | 0.14 | 0.04 | 0.00 |