Energy-dispersive spectroscopy for the quantitative determination of the major chemical elements in milk

Authors

DOI:

https://doi.org/10.33448/rsd-v10i10.18910

Keywords:

Milk minerals; X-Ray spectrometry; Milk ashes; Milk analysis.

Abstract

The present preliminary study aims at the rapid quantitative determination of the major chemical elements in the ashes of raw milk samples, using energy dispersive X-ray fluorescence spectrometry. The precision of the method was satisfactory (variation coefficient ≤ 5%). The mean values (in mmol·kg-1) obtained from the analysis of 32 raw milk samples showed good agreement with data from the Brazilian and international literature: K (26.1 ± 4.6), Ca (33.8 ± 3.7), P (28.4 ± 2.7), Na (21 ± 3.3) and Mg (4.7 ± 0.5). Residual Cl concentration (19.0 ± 3.3 mmol·kg-1) was lower than expected due to incineration losses. The results suggest a good application potential of the method for other dairy products.

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Published

10/08/2021

How to Cite

PAULA, I. L. de .; RENHE, I. R. T. .; STEPHANI, R. .; PERRONE, Ítalo T. .; CARVALHO, A. F. de .; POMBO, A. W. . Energy-dispersive spectroscopy for the quantitative determination of the major chemical elements in milk . Research, Society and Development, [S. l.], v. 10, n. 10, p. e280101018910, 2021. DOI: 10.33448/rsd-v10i10.18910. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/18910. Acesso em: 27 oct. 2021.

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Section

Agrarian and Biological Sciences