Table 5: Total selenium contents found in standard reference material for both flow systems. Total selenium contents found in standard reference material and comparison with reference value by Student’s -test. s: standard deviation. [33].

Certified reference materialCertified value
(mg kg−1)
MCFA found (mean ± s)
(mg kg−1) ( )
FIA found (mean ± s) )
(mg kg−1) ( )
-experimental

NIST 1846
(infant formula)
0.08 (*)0.0807 ± 0.0075 0.81 (FIA)
0.21 (MCFA)

(*) NIST information value. All the results are expressed in dry basis.