Validação de um método analítico para determinação de marcadores orgânicos geoquímicos em amostras de sedimentos marinhos

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Abstract

This paper describes the validation of an alternative method for determination of n-alkanes, sterols (OLs) and n-alkanols (ALCs) in marine sediments, through adaptation of clean up. The method reduced the material consumption, the discards produced and working time. The recovery percentages were 60-129% for n-alkanes, 52-67% for OLs and 43-141% for ALCs, acceptable values compared to other studies. The application in Antarctic marine sediments presented satisfactory results indicating contribution of planktonic organisms, higher animals and a little contribution from vegetation.

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Wisnieski, E., Ceschim, L. M. M., & Martins, C. C. (2016). Validação de um método analítico para determinação de marcadores orgânicos geoquímicos em amostras de sedimentos marinhos. Quimica Nova, 39(8), 1007–1014. https://doi.org/10.5935/0100-4042.20160103

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