Journal of Spectroscopy

Research Article

Ranges of B, Cd, Cr, Cu, Fe, Pb, Sr, Tl, and Zn Concentrations and Isotope Ratios in Environmental Matrices from an Urban Area

Table 3

Concentrations and isotope information for CRMs.


Element	BCR-146R, Aqua regia		CRM052, Aqua regia			BCR-146R		CRM052
	Found ± σ, µg·g⁻¹	Certified ± 95% CI	Found ± σ, µg·g⁻¹	Certified ± 95% CI		Found ± 2σ		Found ± 2σ
	(n = 8)	(µg·g⁻¹)	(n = 6)	(µg·g⁻¹)		(n = 8)		n = 6

B	17.3 ± 1.6	NA	177 ± 11	NA	δ11B. ‰	−3.40 ± 1.53		7.21 ± 1.09
Cd	17.7 ± 0.4	18.4 ± 0.4	263 ± 9	256 ± 6	δ114Cd. ‰	0.11 ± 0.09		−0.01 ± 0.09
Cr	175 ± 10	174 ± 7	346 ± 19	332 ± 5	δ53Cr. ‰	0.04 ± 0.09		0.14 ± 0.07
Cu	798 ± 25	831 ± 16	130 ± 7	130 ± 3	δ65Cu. ‰	0.22 ± 0.06		0.84 ± 0.14
Fe	13600 ± 800	NA	4610 ± 320	4280 ± 208	δ56Fe. ‰	0.18 ± 0.05		0.80 ± 0.07
Pb	548 ± 43	583 ± 17	115 ± 11	108 ± 3	206Pb/207Pb	1.1496 ± 0.0002		1.2078 ± 0.0004
					208Pb/207Pb	2.4288 ± 0.0003		2.4650 ± 0.0004
Sr	1070 ± 99	NA	243 ± 13	113 ± 11	87Sr/86Sr	0.70805 ± 0.00003		0.70914 ± 0.00004
Tl	0.469 ± 0.033	NA	75.5 ± 6.2	71.6 ± 2.7	δ205 Tl. ‰	−0.50 ± 0.04		−0.41 ± 0.09
Zn	3050 ± 170	3040 ± 60	512 ± 34	516 ± 12	δ66Zn. ‰	−0.12 ± 0.05		−0.18 ± 0.05

Element	GBW 07410			ERM-CC141, Aqua regia			ERM-CC141, total
Element	Found, µg·g⁻¹	Certified ± 95% CI	Recovery, %	Found, µg·g⁻¹	Certified ± 95% CI	Recovery, %	Found, µg·g⁻¹	Certified ± 95% CI	Recovery, %

B	42.1	38.3 ± 4, 8	110		NA	NA	16	NA	NA
Cd	0.117	0.086 ± 0,015	136	0.28	0.25 ± 0.04	112	0.31	0.35 ± 0.05	89
Cr	57	66 ± 4, 5	86	30	31 ± 4	97	66	86 ± 8	77
Cu	23.7	23.2 ± 2, 2	102	13	12.4 ± 0.9	105	14.4	14.4 ± 1.4	100
Fe	32200	32200	100	19800	NA	NA	24800	NA	NA
Pb	29.9	29.2 ± 3, 2	102	34.4	32.2 ± 1.4	107	42.1	41 ± 4	103
Sr	175	188 ± 9	93	12	NA	NA	68	NA	NA
Tl	0.66	0.62 ± 0, 16	106	0,14	NA	NA	0.52	NA	NA
Zn	71.7	69.1 ± 2, 7	104	52	50 ± 4	104	60	57 ± 4	105

	GBW 07410	ERM-CC141	Repeatability, 2σ			Intermediate precision, 2σ
	Found	Found	Mushrooms, n = 8	Leaves, n = 12	Soil, n = 10	Mushrooms, n = 16	Leaves, n = 24	Soil, n = 20

δ¹¹B, ‰	−6.0	4.5	3.2	0.7	1.6	5.4	1.2	2.4
δ¹¹⁴Cd, ‰	−0.07	−0.11	0.022	0.032	0.074	0.041	0.072	0.116
δ⁵³Cr, ‰	0.11	0.06	NA	NA	0.078	NA	NA	0.107
δ⁶⁵Cu, ‰	0.34	0.28	0.074	0.078	0.052	0.097	0.086	0.073
δ⁵⁶Fe, ‰	0.16	0.06	0.077	0.056	0.034	0.086	0.081	0.059
²⁰⁸Pb/²⁰⁷Pb	2.4452	2.4431	0.0037	0.0053	0.0021	0.0040	0.0058	0.0024
²⁰⁶Pb/²⁰⁷Pb	1.1781	1.1913	0.0022	0.0034	0.0011	0.0028	0.0041	0.0016
⁸⁷Sr/⁸⁶Sr	0.7122	0.7291	0.0014	0.0001	0.0002	0.0018	0.0002	0.0002
δ²⁰⁵Tl, ‰	−0.53	−0.67	0.089	0.106	0.031	0.112	0.122	0.059
δ⁶⁶Zn, ‰	0.02	0.18	0.048	0.062	0.034	0.088	0.095	0.061