the electrolyte system for model mixtures of alkaloids ( - ) -stylopine , ( - ) -canadine , coptisine , berberine , protopine , cryptopine , chelidonine , bulbocapnine , papaverine , parfumine and for the plant extracts contained the leading ion k ( + ) ( 0.01 m ) , counter ion ch ( 3 ) coo ( - ) , ph ( l ) 5.5 , and the terminating ion h ( + ) ( acetic acid 0.01 m ) .
C0013832
electrolyte
C0022023
ion