title: The determination of the true equilibrium constant(pK 1g ) and the practical equilibrium coefficient (pK 1g ) for the first ionization of carbonic acid in solutions of sodium bicarbonate, cerebrospinal fluid, plasma and serum at 25  and 38 .
mesh_terms: D000388:Air; D001639:Bicarbonates; D002245:Carbon Dioxide / Q000097:blood / Q000134:cerebrospinal fluid; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D006801:Humans; D006859:Hydrogen; D006863:Hydrogen-Ion Concentration; D008433:Mathematics; D009994:Osmolar Concentration; D011199:Potentiometry / Q000295:instrumentation; D012964:Sodium; D012965:Sodium Chloride; D013696:Temperature
chemical_list: D001639:Bicarbonates; D002245:Carbon Dioxide; D012965:Sodium Chloride; D006859:Hydrogen; D012964:Sodium