Salinity Measurement & Standards

OSIL are world leading experts in salinity, having operated the IAPSO Standard Seawater Service for many years. Salinity is one of the most measured parameters in oceanography and is used widely in marine chemistry, physics and biology. The quality and comparability of salinity data worldwide depends largely on the widespread use of IAPSO Standard Seawater and a high precision laboratory salinometer or in situ CTD instrument.

OSIL Solutions


Salinometer Accessories

IAPSO Standard Seawater 

Calibration Standards

Other Standards

OSIL offers:

  • High precision calibration standards

  • Performance Evaluation samples

  • Salinometer servicing and support

  • CTD calibrations

  • Laboratory Measurement of Salinity 2 day Training Course

Related Articles


Seawater Technical Papers

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