Research Article
Fast Determination of Manganese in Milk and Similar Infant Food Samples Using Multivariate Optimization and GF AAS
Table 3
Analytical parameters of merit.
| Parameters | Units | Values |
| Linear range | μg L−1 | 0.0–20.0 | | — | 0.9959 ± 0.0015 | Characteristic massa, mo | pg | 2.9 ± 0.3 | Limit of detection, LD | μg L−1 | 0.98 ± 0.04 | Limit of detection, LD | μg kg−1 | 19.6 ± 0.8 | Limit of quantification, LQ | μg L−1 | 3.23 ± 0.19 | Limit of quantification, LQ | μg kg−1 | 64.6 ± 3.8 | Precision (% RSD)b | % | 2.3 | Accuracy (SRM 8435)c | μg g−1 | 0.16 ± 0.04 | Accuracy (SRM 1549)d | μg g−1 | 0.26 ± 0.05 |
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aRecommended value 2.0 pg.
bConcentration of 10 μg L−1,
cCertified value: 0.17 ± 0.05 μg g−1
dCertified value 0.26 ± 0.06 μg g−1.
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