15N diffusion of different N pools in soil extracts and water samples for isotope ratio mass spectrometric analysis
Analysis and calculations of organic carbon concentrations in K2SO4-extracts of mineral soils or organic layers and of dissolved organic carbon concentrations in water samples, using a Total Organic Carbon Analyzer (TOC-Vwp, Shimadzu Europa GmbH, Duisburg, Germany)
Regular checking and maintenance of the Total Organic Carbon Analyzer (TOC-Vwp, Shimadzu Europa GmbH, Duisburg, Germany)
Analysis and calculations of N concentrations of different N pools in soil extracts and water samples, using continuous flow injection colorimetry (SEAL Analytical AA3, SEAL Analytical GmbH, Norderstedt, Germany)
Regular checking and maintenance of the continuous flow injection colorimetry (SEAL Analytical AA3, SEAL Analytical GmbH, Norderstedt, Germany)
