Total Organic Carbon and Stable Isotope Analysis on Bulk Organic Carbon
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چکیده
About 0.3 g of freeze-dried and powdered sediment sample was decalcified using HCl. Subsequently Total Organic Carbon (TOC) and δ 13 Corg concentrations were measured using a Fisons Instruments CNS NA 1500 analyzer coupled to a Thermo Delta Plus isotope ratio spectrometer. Results were normalized to international standards. Average analytical uncertainty based on duplicate analyses of sediment samples was 0.03 wt. % for TOC and 0.12 ‰ for δ 13 Corg.
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