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Pressurized liquid extraction of selected molecular biomarkers in deep sea sediments used as proxies in paleoceanography

Calvo, Eva; Pelejero, Carles; Logan, Graham A


Pressurized liquid extraction has been performed on a suite of deep-sea sediments to assess its capability as an extraction technique in the analysis of molecular biomarkers used in paleoceanography. Specific compounds assessed comprise long-chain alkenones, n-alkanes, n-alcohols and, additionally, one diol and one keto-ol. These have been extracted by both pressurized liquid extraction and ultrasonication for comparison. One key result is that the U37K′ index (based on the degree of...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
Source: Journal of Chromatography A
DOI: 10.1016/S0021-9673(03)00119-5


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