International Journal of Spectroscopy / 2011 / Article / Tab 2

Research Article

Fast Determination of Manganese in Milk and Similar Infant Food Samples Using Multivariate Optimization and GF AAS

Table 2

Experiments and results obtained in second experimental design to determine Mn in milk and similar food samples.

Exp. aPyrolysis temperature (°C) aAtomization temperature (°C)Integrated absorbance(s)Background signal(s)

11000 (−1)2000 (−1)0.478 ± 0.0030.076 ± 0.005
21000 (−1)2600 (+1)0.618 ± 0.060−0.085 ± 0.097
31600 (+1)2000 (−1)0.060 ± 0.004−0.083 ± 0.007
41600 (+1)2600 (+1)0.202 ± 0.015−0.233 ± 0.001
5876 ( )2300 (0)0.441 ± 0.0310.079 ± 0.027
61724 ( )2300 (0)0.082 ± 0.001−0.133 ± 0.032
71300 (0)1876 ( )0.434 ± 0.0010.033 ± 0.040
81300 (0)2724 ( )0.646 ± 0.039−0.113 ± 0.068
9 (C)1300 (0)2300 (0)0.443 ± 0.0180.017 ± 0.082
10 (C)1300 (0)2300 (0)0.424 ± 0.018−0.045 ± 0.002

aThe coded values are between parenthesis.

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