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Beschreibung

A sample of 44 kg of sediment was delivered to the IAEA Environment Laboratories by the Korean Ocean Research and Development Institute. The freeze dried material was milled to a powder and then sieved through a set of sieves. The fraction of 26 µm was collected and further homogenized for 14 days in a clean atmosphere at a temperature of 20 °C (+/-2 °C) and relative humidity of 50%. After checking for the homogeneity of the sample material, aliquots of about 35 g were packed into pre-cleaned brown borosilicate glass bottles with polyethylene screw caps and then sealed in plastic bags. The sample material was labeled IAEA-457.