Vs. Savenko, EXPERIMENTAL-DETERMINATION OF TOTAL ACTIV ITY-COEFFICIENTS OF SULFATE-IONS, SELENITE-IONS, IODATE-IONS AND I-2 IN SEA-WATER, Okeanologia, 36(4), 1996, pp. 556-565
The total activity coefficients of SO42-, SeO32-,IO3- and I-2 in sea w
ater with a salinity of 35 ppt were determined on the basis of data on
solubility of CaSO4 . 2H(2)O, CaSeO3, MgSeO3, CaIO3 and I-2 in sea wa
ter. They are equal to 0.089, 0.064, 0.461 and 2.46, respectively. The
apparent second dissociation step of H2SeO3 was estimated as 2.6 +/-
0.12 x 10(-8).