Osmotic pressures of sea water solutions for temperatures between O and 35°C and for chlorinities between 5 and 100 ‰ have been computed from experimental vapor pressure measurements.
Wilson, K. G., and A. B. Arons. 1955. "Osmotic pressures of sea water solutions computed from experimental vapor pressure lowering." Journal of Marine Research 14, (2). https://elischolar.library.yale.edu/journal_of_marine_research/830