. 2016 Jul 28;23(20):20609–20618. doi: 10.1007/s11356-016-7222-z

Table 2.

Content of elements [mg kg⁻¹ DW] in tested soils/flotation tailings with pH and Eh values

Element	Unpolluted area		Polluted area
Element	Site 1	Site 2	Site 3	Site 4
Ca	3896^c ± 148	4228^c ± 210	24652^a ± 3389	10976^b ± 847
K	6722^a ± 345	7268^a ± 253	3621^b ± 265	2054^c ± 158
Mg	271^c ± 22	309^c ± 13	4762^a ± 303	2326^b ± 120
Na	328^a ± 61	385^a ± 15	305^a ± 8	128^b ± 15
P	4236^a ± 119	4588^a ± 161	3625^b ± 105	3398^b ± 187
Al	497^d ± 32	892^c ± 37	4821^a ± 167	2965^b ± 229
As	0.21^c ± 0.04	0.43^c ± 0.07	21.4^a ± 2.9	8.80^b ± 0.70
B	0.98^c ± 0.18	0.65^c ± 0.10	54.6^a ± 7.5	10.4^b ± 0.8
Ba	16.0^c ± 3.0	14.0^c ± 2.0	141^a ± 19	37.0^b ± 3.0
Cd	0.24^c ± 0.04	0.31^c ± 0.05	0.51^b ± 0.07	1.33^a ± 0.10
Ce	3.76^c ± 0.70	2.08^c ± 0.33	18.9^a ± 2.60	8.87^b ± 0.68
Co	0.65^c ± 0.12	0.48^c ± 0.08	34.6^a ± 4.8	7.70^b ± 0.59
Cr	1.76^c ± 0.33	1.61^c ± 0.26	14.9^a ± 2.0	7.90^b ± 0.61
Cu	1.55^c ± 0.29	1.31^c ± 0.21	912^b ± 125	2143^a ± 142
Dy	0.11^b ± 0.02	0.14^b ± 0.02	1.31^a ± 0.18	0.09^b ± 0.01
Er	1.64^c ± 0.31	2.55^c ± 0.41	25.3^a ± 3.5	10.9^b ± 0.8
Eu	0.05^c ± 0.01	0.03^c ± 0.01	0.37^a ± 0.05	0.15^b ± 0.01
Fe	1313^c ± 86	1569^c ± 39	6599^a ± 529	3820^b ± 199
Gd	0.06^c ± 0.01	0.04^c ± 0.01	3.89^a ± 0.53	1.21^b ± 0.09
Hg	0.11^b ± 0.02	0.19^b ± 0.03	0.34^a ± 0.05	0.43^a ± 0.03
La	0.41^c ± 0.08	0.18^c ± 0.03	6.90^a ± 0.95	4.50^b ± 0.40
Li	0.42^c ± 0.08	0.61^c ± 0.10	21.0^a ± 2.9	10.7^b ± 0.8
Lu	0.04^b ± 0.01	0.03^b ± 0.01	0.29^a ± 0.04	0.08^b ± 0.01
Mn	23.0^c ± 4.0	25.0^c ± 4.0	1502^a ± 76	659^b ± 51
Mo	0.32^b ± 0.06	0.28^b ± 0.04	12.9^a ± 1.8	17.1^a ± 1.3
Nd	5.88^b ± 1.10	6.79^b ± 1.08	95.0^a ± 13.0	79.0^a ± 6.0
Ni	0.88^c ± 0.16	1.01^c ± 0.16	25.4^a ± 3.5	8.4^b ± 0.7
Pb	5.23^c ± 0.98	3.86^c ± 0.61	476^a ± 15	79.0^b ± 6.1
Sb	0.11^c ± 0.02	0.14^c ± 0.02	1.14^a ± 0.16	0.38^b ± 0.03
Sc	0.15^c ± 0.03	0.09^c ± 0.01	2.64^a ± 0.36	1.41^b ± 0.11
Se	0.03^c ± 0.01	0.02^c ± 0.01	0.21^b ± 0.03	0.65^a ± 0.05
Sr	3.02^c ± 056	5.00^c ± 0.79	517^a ± 18	206^b ± 16
Te	0.26^b ± 0.05	0.17^b ± 0.03	1.67^a ± 0.23	0.37^b ± 0.03
Zn	21.0^c ± 2.0	16.0^c ± 1.0	47.0^a ± 2.0	40.0^b ± 3.0
pH	5.03^c ± 0.10	4.78^c ± 0.17	7.99^b ± 0.08	8.17^a ± 0.12
Eh	551^a ± 19	516^b ± 25	386^c ± 43	361^c ± 32

Mean values (n = 5) ± standard deviations; identical superscripts denote significant (p < 0.05) difference between mean values in lines according to Tukey’s HSD test (ANOVA) for soils