The results of the laboratory analysis of Cores EMB058-6-4 and EMB058-16-6 from Arkona Basin
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The results of the laboratory analysis for the article: "Spatial variability of Holocene sediments in light multidisciplinary studies of cores from the Arkona Basin, south-western Baltic Sea"
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LOI was determined as combustion of dried samples at 550 °C and calcium carbonate combustion at 950 °C (Heiri et al., 2001). Terrigenous and biogenic silica was measured according to the procedure described in previous studies (Kostecki et al., 2021, 2018). The metal content was determined in digested liquid samples using flame atomic absorption spectrometry (Boyle, 2001). The grain size distribution was measured using the laser diffraction method with a Malvern Mastersizer 2000 in samples previously cleaned from carbon and organic matter with HCl, followed by boiling with H2O2 and washing with distilled water. The diatom samples were prepared using standard methods (Battarbee, 1986). The valves of 300 to 500 were counted in each sample to estimate the percentage abundance of species (Schrader and Gersonde, 1978). Diatom taxa were grouped with respect to their salinity requirements (Kolbe, 1927).
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Uniwersytet im. Adama Mickiewicza w Poznaniu