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Beschreibung

The new batch is produced and certified under DANAK accreditation no. 535 according to ISO Guide 17034. /// This reference material consists of a plastic bottle with a natural reference sample for quality control. The certificate includes documentation for the analytical parameters Orthophosphate (PO4), Total Phosphorus (TP) and Silicate (SiO4). The salinity of the sample is approximately 11 (PSS 78).