Determination, speciation and distribution of mercury in soil in the surroundings of a former chlor-alkali plant: assessment of sequential extraction procedure and analytical technique

Frentiu, Tiberiu; Pintican, Bogdan Petru; Butaciu, Sanziana; Mihaltan, Alin Ironim; Ponta, Michaela; Frentiu, Maria

doi:10.1186/1752-153X-7-178

Table 1 Content (mg/kg) of total mercury, water leachable, mobile, semimobile and non-mobile fractions

From: Determination, speciation and distribution of mercury in soil in the surroundings of a former chlor-alkali plant: assessment of sequential extraction procedure and analytical technique

Sample	Total mercury in aqua regia		Water leachable		Mobile fraction		Semimobile fraction		Non-mobile fraction		Fraction sum
	Content^a	s_r^a,b	Content^a	s_r^a,b	Content^a	s_r^a,b	Content^a	s_r^a,b	Content^a	s_r^a,b	Content^c	s_r^d
1	0.72	0.01	0.008	0.001	0.034	0.001	0.39	0.01	0.23	0.01	0.65	0.01
2	0.095	0.006	0.005	0.001	0.008	0.001	0.083	0.002	0.003	0.001	0.094	0.002
3	0.46	0.01	0.008	0.001	0.040	0.001	0.26	0.01	0.12	0.01	0.42	0.01
4	0.47	0.01	0.013	0.001	0.053	0.002	0.39	0.01	0.041	0.001	0.48	0.01
5	0.24	0.01	0.007	0.001	0.012	0.001	0.22	0.01	0.022	0.002	0.25	0.01
6	1.99	0.02	0.0009	0.0001	0.070	0.002	1.42	0.05	0.57	0.01	2.06	0.05
7	0.13	0.01	0.0090	0.0003	0.022	0.002	0.061	0.001	0.043	0.001	0.13	0.01
8	0.67	0.01	0.0030	0.0001	0.0090	0.0003	0.57	0.03	0.073	0.002	0.65	0.03
9	1.27	0.02	0.0060	0.0003	0.094	0.006	0.79	0.02	0.37	0.01	1.25	0.02
10	0.45	0.01	0.0070	0.0003	0.0080	0.0001	0.34	0.01	0.041	0.005	0.39	0.01
11	0.23	0.01	0.0003	0.0001	0.028	0.002	0.17	0.01	0.035	0.001	0.23	0.01
12	0.38	0.01	0.0060	0.0002	0.019	0.001	0.33	0.01	0.022	0.001	0.37	0.01
13	0.35	0.01	0.0090	0.0004	0.024	0.001	0.25	0.01	0.12	0.01	0.39	0.01
14	0.075	0.004	0.0040	0.0002	0.018	0.001	0.034	0.001	0.036	0.001	0.088	0.002
15	0.42	0.01	0.0040	0.0002	0.022	0.001	0.25	0.01	0.14	0.01	0.41	0.01
16	85.5	0.6	0.017	0.001	5.60	0.04	65.6	0.5	20.2	0.1	91.4	0.5
17	92.6	1.7	0.025	0.002	31.20	1.00	33.3	0.2	20.0	0.3	84.5	1.1
18	26.3	0.3	0.37	0.02	4.78	0.16	16.7	0.2	5.20	0.02	26.7	0.3
19	19.3	0.2	0.0070	0.0004	0.85	0.02	20.1	0.3	1.79	0.01	22.7	0.3
20	114	1	0.051	0.002	7.80	0.02	104	1	1.76	0.04	114	1
21	35.9	2.2	0.019	0.002	0.22	0.01	42.7	2.0	0.50	0.01	43.4	2.0
22	54.8	0.5	1.20	0.06	9.31	0.29	31.3	0.6	6.18	0.32	46.8	0.7
23	0.57	0.02	0.011	0.001	0.017	0.001	0.37	0.037	0.067	0.001	0.45	0.04
24	0.079	0.011	0.007	0.001	0.015	0.001	0.055	0.001	0.015	0.001	0.085	0.002
25	16.8	0.1	0.089	0.009	0.54	0.03	15.5	0.2	2.92	0.01	19.0	0.2
26	0.70	0.01	0.0040	0.0003	0.020	0.001	0.57	0.01	0.15	0.01	0.74	0.01
27	0.28	0.01	0.022	0.003	0.036	0.001	0.23	0.01	0.032	0.001	0.30	0.01
28	0.20	0.01	0.0060	0.0003	0.017	0.001	0.12	0.01	0.090	0.001	0.23	0.01
29	4.44	0.01	0.097	0.004	0.21	0.01	3.27	0.01	0.24	0.01	3.72	0.02
30	0.41	0.01	0.011	0.001	0.012	0.001	0.36	0.01	0.046	0.003	0.42	0.01
31	0.12	0.01	0.0030	0.0002	0.021	0.001	0.069	0.001	0.035	0.001	0.13	0.01
32	0.42	0.01	0.0070	0.0002	0.021	0.001	0.15	0.01	0.16	0.01	0.33	0.01
33	0.11	0.01	0.0040	0.0001	0.014	0.001	0.072	0.001	0.021	0.001	0.11	0.01
34	0.84	0.01	0.0050	0.0005	0.098	0.002	0.48	0.01	0.24	0.01	0.82	0.01
35	20.0	0.31	0.013	0.002	0.81	0.01	18.1	0.3	0.64	0.01	19.6	0.30
36	6.46	0.10	0.013	0.001	0.53	0.02	4.87	0.39	0.45	0.01	5.85	0.30
37	8.88	0.05	0.0010	0.0001	0.39	0.02	7.80	0.06	1.00	0.01	9.19	0.06
38	0.62	0.03	0.0070	0.0003	0.042	0.002	0.51	0.01	0.12	0.01	0.67	0.01
Mean	13.1		0.055		1.66		9.78		1.68		13.1
Variance	27.8		0.20		5.38		21.3		4.60		27.6
Median	0.60		0.007		0.035		0.39		0.13		0.57
Min	0.08		0.0003		0.008		0.034		0.003		0.085
Max	114		1.20		31.2		104		20.2		114

^a–n=3 complete dissolution/analysis sequences for each sample.
^b–standard deviation of repeatability.
^c–sum of mobile, semi-mobile and non-mobile fractions.
^d–pooled standard deviation of sum s_pooled = (s₁² + s₂² + s₃²)^1/2.

Back to article page

ISSN: 2661-801X

Contact us

Submission enquiries: bmcchemistry@biomedcentral.com
General enquiries: ORSupport@springernature.com

BMC Chemistry

Contact us