Table 3.

Trace element concentrations in dogfish muscle certified reference material (DORM – 3) as well as accuracy and detection limits determined by ICP-MS analyses

Element	DORM3 certified ± SD (mg/kg)	DORM3 ICP-MS ± SD (mg/kg)	Accuracy (%)	Detection limit (μg/l)
As	6.88 ± 0.30	6.30 ± 0.40	92	0.008
Cd	0.290 ± 0.020	0.27 ± 0.02	94	0.01
Co	nc	–	–	0.01
Cu	15.5 ± 0.63	16.35 ± 0.93	105	0.19
Fe	347 ± 20	346.95 ± 28.24	100	2.76
Mn	nc	–	–	0.1
Mo	nc	–	–	0.02
Ni	1.28 ± 0.24	1.21 ± 0.15	94	0.47
Pb	0.395 ± 0.050	0.417 ± 0.043	106	0.26
V	nc	–	–	0.01
Zn	51.3 ± 3.1	44.4 ± 3.2	87	2.77

nc element not certified