式溪*享化学与分子科学学院 COLLEGE OF CHEMISTRY RND MDLECULRR SCIENCES WUHRN UNIVERSITY Cox/Red=Eo+2305kIg dod nF dox =[Ox]Yox =COx'Y ox /aox aRed-[Red]YRed =CRed'Y Red/ORed 0.059 Y Ox ORed 0.059 E-E8+ C Ox n g + YReda Ox lg c Red =E8（条件电势) 或溪大享 Wuhan UniversityaOx =[Ox]  Ox =cOx· Ox /Ox aRed=[Red]  Red =cRed· Red /Red ＝E （条件电势） 0.059 lg 0.059 lg n c Ox n E=E + +  OxRed  Red Ox c Red a b Red nF 2.303RT E lg Ox/Red = E + a a Ox