Evaluation of Trace Metal Content by ICP-MS Using Closed Vessel Microwave Digestion in Fresh Water Fish

Table 3

Recovery study using certified reference material (CRM)—mg/kg.

Element	Analyzed value	NIST-certified value	% of recovery
Cobalt	0.008±0.0006	0.008±0.0004	100
Chromium	0.022±0.008	0.023±0.009	95
Copper	4.45±0.56	4.30±0.69	103
Manganese	14.92±1.3	16±1.0	99
Selenium	1.21±0.1	1.23±0.09	106
Zinc	22.42±1.3	22.2±1.7	100

Values are mean ± SD, 𝑛=6.
NIST: National Institute of Standard Technology.