[Proceedings: Measurement of K and Cl ion activities by liquid ion exchange membrane microelectrodes].
D000818:Animals; D001001:Anura; D002713:Chlorine / Q000032:analysis*; D007474:Ion Exchange; D008722:Methods; D008839:Microelectrodes; D011188:Potassium / Q000032:analysis*
D002713:Chlorine; D011188:Potassium