Journal of Chemistry / 2015 / Article / Tab 1 / Research Article
Preliminary Investigation concerning Metals Bioavailability in Waters of Aries River Catchment by Using the Diffusive Gradients in Thin Films Technique Table 1 Physical-chemical characteristics of waters sampled from Aries River catchment (mean ± standard deviation,
parallel determinations).
Sample Description pH EC DOC Nt Cl− pH unit S cm−1 Mg L−1 P1 Foies stream, tributary of Abrud 4.10 ± 0.05 2290 ± 44 4.00 ± 0.26 2.33 ± 0.15 16.2 ± 0.82 1.45 ± 0.12 0.24 ± 0.09 260 ± 14 2.20 ± 0.12 P2 Abrud rivulet tributary of Aries 4.23 ± 0.06 1160 ± 28 5.80 ± 0.38 2.27 ± 0.12 16.3 ± 0.88 1.48 ± 0.10 0.19 ± 0.08 273 ± 19 2.30 ± 0.14 P3 Aries after confluence with Abrud 7.61 ± 0.08 237 ± 10 3.44 ± 0.20 0.36 ± 0.04 3.75 ± 0.26 0.86 ± 0.08 0.04 ± 0.02 30.4 ± 2.8 0.12 ± 0.02 P4 Sesei rivulet, tributary of Aries 4.54 ± 0.05 1310 ± 24 2.73 ± 0.21 0.55 ± 0.05 14.2 ± 0.95 2.05 ± 0.16 <0.01 1690 ± 60 0.14 ± 0.02 P5 Aries before confluence with Sesei 7.99 ± 0.08 234 ± 11 1.85 ± 0.16 0.21 ± 0.02 2.63 ± 0.18 0.69 ± 0.05 0.01 ± 0.005 22.6 ± 2.1 <0.02 P6 Aries after confluence with Sesei 7.70 ± 0.08 347 ± 14 2.22 ± 0.15 0.23 ± 0.02 3.89 ± 0.28 0.91 ± 0.08 0.02 ± 0.01 105 ± 10 <0.02 P7 Mine water, Baia de Aries 5.63 ± 0.06 2440 ± 52 2.30 ± 0.20 0.59 ± 0.06 2.95 ± 0.31 0.62 ± 0.05 <0.01 1400 ± 50 0.50 ± 0.04 P8 Aries after confluence with mine water 8.25 ± 0.08 361 ± 12 1.52 ± 0.12 0.20 ± 0.02 3.35 ± 0.32 0.85 ± 0.09 0.02 ± 0.01 90.8 ± 8.8 <0.02 Median 6.62 760 2.52 0.46 3.82 0.88 0.018 182 0.13 Min. 4.10 234 1.52 0.20 2.63 0.62 <0.01 22.6 <0.02 Max. 8.25 2440 5.80 2.33 16.3 2.05 0.24 1690 2.30 CV % 28.9 87.2 46.9 108 80.8 44.5 144 138 152