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Normal Standard Seawater, salinity = 35, accurately calibrated in conductivity ratio (K15) and in salinity. This is the main single-point standard for salinity measurements.
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Low Salinity Standard Seawater (S = 30), accurately calibrated in conductivity ratio for the temperature range 15°C to 30°C. This standard is used in conjunction with P-series to determine instrument offset and linearity at lower salinities.
Low Salinity Standard Seawater (S = 10), accurately calibrated in conductivity ratio for the temperature range 15°C to 30°C. This standard provides an additional calibration point for low salinity work, e.g. Baltic Sea.
High Salinity Standard Seawater, (S = 38), accurately calibrated in conductivity ratio for the temperature range 15° to 30°C. This standard is used in conjunction with P-series to determine instrument offset and linearity at higher salinities.
When analysing samples at salinities away from 35, it is important to know the accuracy of the salinometers’ offset across the working range to improve data quality. Developed to enable the linearity of instruments to be checked more easily, OSIL's Linearity Pack contains a combination of P-Series, 38H-Series, 30L-Series and 10L-Series Standard Seawater.
View our Calibration Standards Brochure for further details on all the standards available from OSIL.
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30L-Series
P-Series
Linearity Pack
38H-Series
Low Nutrient Seawater
Iodate Standards