Determination of 16 Selected Trace Elements in Children Plasma from China Economical Developed Rural Areas Using High Resolution Magnetic Sector Inductively Coupled Mass Spectrometry

Table 3

Concentrations of 16 selected plasma trace elements in children (𝑁=440) aged 3–12 years from China economical developed rural areas.

Element	𝑛 < LOQ	Percentiles (μg/L)			GM (μg/L)	95% CI GM (μg/L)
		𝑃5	𝑃50	𝑃95
B	0	16.13	33.86	94.88	36.44	34.40–38.72
Rb	0	173.61	360.73	1281.50	405.80	384.50–428.62
Sr	0	30.33	58.40	95.99	56.63	54.71–58.85
Mo	0	1.48	2.30	3.97	2.36	2.28–2.42
Cd^a	59	<LOQ	64.53	176.11	64.53^b	59.86–68.42^b
Pb^a	9	217.0	576.14	1989.82	599.53	563.66–643.05
Al	47	<LOQ	1.40	8.87	1.40^b	1.12–1.71^b
V^a	46	<LOQ	116.09	277.58	114.32	108.45–121.17
Cr^a	6	137.70	408.22	6819.27	538.41	484.40–804.82
Mn	0	0.77	1.51	6.24	1.77	1.66–1.90
Fe	0	660.68	1304.13	2565.59	1375.51	1313.36–1442.48
Co^a	56	64.73	195.94	452.46	181.94	171.64–193.73
Cu	0	673.26	974.01	1386.36	972.21	951.79–993.61
Zn	0	557.27	765.31	1027.16	754.74	741.47–770.39
As	68	<LOQ	1.17	7.14	1.51	1.37–1.68
Se	0	68.52	119.80	173.16	116.32	113.33–119.53

ang/L, bmedian and CI median.