Table 16: Determination of iron and cobalt in alloy samples.

Sample (composition)Amount (%) Relative error (%)
CertifiedFound ( 𝑛 = 3 ) ± SD
Fe(II)Co(II)Fe(II)Co(II)Fe(II)Co(II)

Elgiloy-M
(20 Cr; 15 Ni; 0.15 C; 2 Mn; 7 Mo;.05 Be)
1540 1 4 . 8 2 ± 0 . 1 5 3 9 . 3 9 ± 0 . 2 0 1.331.52
Rim alloy
(17 Mo; 3Mn)
6812 6 9 . 2 8 ± 0 . 8 6 1 2 . 0 8 ± 0 . 3 8 1.880.66
Sofcomag 25
(Fe and Co)
7525 7 3 . 8 9 ± 1 . 3 8 2 5 . 9 8 ± 0 . 8 6 1.483.92
Sofcomag 49
(Fe and Co)
5149 5 2 . 1 2 ± 0 . 3 5 4 9 . 1 8 ± 0 . 0 6 2.180.36