Recent comparability of oceanographic nutrients data: results of a 2003 intercomparison exercise using reference materials.


An intercomparison exercise was conducted using the recently developed Reference Material for Nutrients in Seawater (RMNS). Discrepancies of reported values among laboratories were greater than the homogeneity of RMNS samples and the reported analytical precision of nutrients. The variability of in-house standards of the participating laboratories might be… (More)

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