Pollution Characteristics and Possible Sources of Seldom Monitored Trace Elements in Surface Sediments Collected from Three Gorges Reservoir, China

Table 1

GSD-12 certified values, analytical values, and recovery.

Element	Analytical value (mg·kg^−1)	Certified values (mg·kg^−1)	Recovery (%)
Li	12.98	13.0	99.8
Be	0.63	0.9	86.7
Bi	0.35	0.38	92.1
B	27.28	26	104.9
V	103.95	107	97.1
Co	14.97	15.3	97.8
Ga	7.00	6.4	109.4
Sn	1.24	1.4	88.6
Sb	6.39	6.3	101.4
Tl	0.19	0.21	90.5