Silicon determination in milk by electrothermal atomic absorption spectrometry using palladium as chemical modifier

Abstract.

A direct method for silicon determination in milk samples by Electrothermal Atomic Absorption Spectrometry was developed. Palladium was used as chemical modifier at a concentration of 610 mg L–1; with this modifier, silicon was stable up to 1800 °C. The precision and accuracy of the method were investigated. The detection limit was 16.2, 2.7 and 7.2 µg L–1 for cows' milk, human milk and infant formula, respectively. The method was applied to silicon determination in 17 infant formula samples, 13 human milk samples and 12 cows' milk samples.

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Bermejo-Barrera, .P., Barciela-Alonso, .M., Domínguez-González, .R. et al. Silicon determination in milk by electrothermal atomic absorption spectrometry using palladium as chemical modifier. Anal Bioanal Chem 374, 1290–1293 (2002). https://doi.org/10.1007/s00216-002-1632-0

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  • Silicon Milk Electrothermal atomic absorption spectrometry