This filtered natural ocean water has a salinity of 35 and can be used for a wide range of applications, including; field probe calibration/checks, chemical analysis, particle studies and any other applications which require open-ocean seawater.
OSIL's range of high precision standards are available for the laboratory determination of dissolved oxygen in seawaters.
Performance Evaluation (PE) samples are designed to be used as part of an ongoing quality assurance programme. These uniquely coded samples are supplied unknown to the laboratories for analysis.
View our Seawater Standards Brochure for further details on all the standards available from OSIL.
Performance Evaluation Samples
Atlantic Seawater Conductivity Standard
Low Nutrient Seawater