Feature | U | Cd | As | Tl | Co | Cu | Ni | Pb | Cr | Zn | |
---|---|---|---|---|---|---|---|---|---|---|---|
Reference values | Surface water – world [μg · L–1] | 0.5 | 0.2 | 2.0 | 0.01 | 0.3 | 7.0 | 2.5 | 0.3 | 1.0 | 20 |
Rock – upper continental crust [μg · kg–1] | 2800 | 98 | 1500 | 750 | 17,000 | 25,000 | 44,000 | 20,000 | 83,000 | 71,000 | |
Standard WHO (2022) [μg · L–1] | 30 |
3 | 10 | – | – | 2000 | 70 | 10 | 50 | – |
Depth [m] | SPI | IPI | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
As | Co | Cu | Ni | Cr | Tl | U | Pb | Cd | Zn | ||
0 | 5916 | 3760 | 784.1 | 492.4 | 528.0 | 294.0 | 187.6 | 66.0 | 22.4 | 5.1 | 1206 |
1 | 5957 | 3810 | 844.9 | 542.0 | 518.0 | 278.0 | 182.8 | 111.3 | 21.6 | 10.1 | 1228 |
2 | 6055 | 3777 | 826.7 | 546.0 | 525.0 | 176.0 | 195.2 | 108.7 | 25.8 | 13.2 | 1225 |
3 | 6041 | 3773 | 829.9 | 535.6 | 553.0 | 235.0 | 193.4 | 84.3 | 23.2 | 12.1 | 1228 |
4 | 6059 | 3780 | 819.6 | 516.4 | 500.0 | 270.0 | 190.2 | 89.0 | 24.1 | 7.7 | 1225 |
5 | 6583 | 4023 | 891.7 | 576.0 | 531.0 | 239.0 | 206.0 | 189.0 | 22.3 | 22.7 | 1328 |
6 | 6648 | 3957 | 920.7 | 558.0 | 568.0 | 328.0 | 200.0 | 161.3 | 26.7 | 26.1 | 1339 |
7 | 6909 | 4150 | 939.1 | 620.4 | 593.0 | 387.0 | 212.0 | 133.0 | 28.4 | 21.7 | 1399 |
Mean | 6271 | 3879 | 857.1 | 548.4 | 539.5 | 275.9 | 195.9 | 117.8 | 24.3 | 14.8 | 1272 |
SD | 356.1 | 137.2 | 50.6 | 36.1 | 28.0 | 59.6 | 9.1 | 38.7 | 2.3 | 7.2 | 67.7 |
Depth [m] | TDS [mg · L–1] | Salinity [%] | Fetot. = Fe(3+) + Fe(2+) | Fe2+ | SO42– | PO43– |
---|---|---|---|---|---|---|
[mg · L–1] | ||||||
0 | 2580 | 2.9 | 739 | 12 | 3110 | 16.2 |
1 | 2938 | 3.2 | 736 | 12 | 3110 | 13.3 |
2 | 3383 | 3.7 | 762 | 12 | 3090 | 11.6 |
3 | 3562 | 3.9 | 741 | 21 | 3000 | 15.6 |
4 | 3656 | 4.1 | 774 | 34 | 3060 | 14.2 |
5 | 3822 | 4.3 | 770 | 79 | 3090 | 15.3 |
6 | 4258 | 4.7 | 808 | 100 | 3460 | 15.6 |
7 | 4453 | 4.9 | 842 | 130 | 3390 | 18.4 |
As | Cu | Ni | Co | Cr | Zn | U | Pb | Cd | Tl | |
---|---|---|---|---|---|---|---|---|---|---|
As | 1.00 | |||||||||
Cu | 0.95 | 1.00 | ||||||||
Ni | 0.88 | 0.91 | 1.00 | |||||||
Co | 0.97 | 0.92 | 0.91 | 1.00 | ||||||
Cr | 0.77 | 0.75 | 0.72 | 0.72 | 1.00 | |||||
Zn | 0.90 | 0.93 | 0.80 | 0.82 | 0.68 | 1.00 | ||||
U | 0.93 | 0.82 | 0.86 | 0.90 | 0.72 | 0.82 | 1.00 | |||
Pb | 0.77 | 0.81 | 0.70 | 0.74 | 0.35 | 0.90 | 0.68 | 1.00 | ||
Cd | 0.67 | 0.63 | 0.61 | 0.55 | 0.70 | 0.55 | 0.66 | 0.23 | 1.00 | |
Tl | 0.61 | 0.58 | 0.43 | 0.63 | 0.64 | 0.34 | 0.38 | 0.15 | 0.47 | 1.00 |