Iron and carbon geochemistry of sediment core GeoB1401-4, supplement to: Haese, Ralf R; Wallmann, Klaus; Dahmke, Andreas; Kretzmann, U; Müller, Peter J; Schulz, Horst D (1997): Iron species determination to investigate early diagenetic reactivity in marine sediments. Geochimica et Cosmochimica Acta, 61(1), 63-72

Ralf R Haese, Klaus Wallmann, Andreas Dahmke, U Kretzmann, Peter J Müller & Horst D Schulz
Iron speciation was determined in hemiplegic sediments from a high productivity area to investigate systematically the early diagenetic reactivity of Fe. A combination of various leaching agents (1 M HCI, dithionite buffered in citrate/acetic acid, HF/H2SO4, acetic Cr(II)) was applied to sediment and extracted more than 80% of total Fe. Subsequent Fe species determination defined specific mineral fractions that are available for Fe reduction and fractions formed as products of Fe diagenesis. To determine the...
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