“…Input files for calculating the plots with PHREEQC and the adapted Pitzer model can be downloaded from www.hydrochemistry.eu. The data are from measurements and compilations by: Angus et al (1976), Block and Waters (1968), Blount andDickson (1969, 1973), Blount (1977), Chen and Marshall (1982), Clarke and Glew (1985), Drummond (1981), Ellis (1959Ellis ( , 1963, Freyer and Voigt (2004), King et al (1992), Linke and Seidell (1958), Malinin and Kanukov (1971), Marshall and Slusher (1966), Warakomski (1980), Miller (1952), Pabalan and Pitzer (1987), Plummer and Busenberg (1982), Rumpf and Maurer (1993), Rumpf et al (1994), Shi et al (2013), Springer et al (2012), Takenouchi and Kennedy (1964), Templeton (1960), Uchameyshvili et al (1966), Gaddy (1939, 1940), Wolf et al (1989). measured solubilities for unknown reasons.…”