pH (PHTOTAL)
pH is a measurement of the concentration of hydrogen ions in a solution and ranges from acidic to basic on a scale from 0 to 14, with 7 being neutral. pH of the sea water is reported on the total scale using an external Ag/AgCl reference electrode in direct contact with sea water and salinity from an attached CTD to correct for chloride concentrations.
Measured by PHSEN-H series instruments.
Instrument Classes
The following instrument classes include this data product:
- Seawater pH (PHSEN)
Typical Units
pH units
Sampling Regime
Water Column