Anewtypeofelectrochemicaloscillationinducedbysurfactantwasobservedinexperiments.TheelectrochemicalsystemisaDaniellcellwithacopperrodinCuSO4aqueousandanaluminumrodinAl(NO3)3aqueousaselectrodes.ThesurfactantsareCTAB,TX-100,SLS.Theadditionoftracesurfactantsolutionbyamicro-syringemadetheoriginalmonotonouslychangingelectrochemicalsystemproduceobviousperiodicphenomena.Atthemeantime,thecopperionselectiveelectrodeandHg2SO4referenceelectrodewereusedtomonitorthecopperelectrodereactionanddetermineitsrateconstantkoffirstorderreaction.Accordingtotheexperimentalresultsofelectrodereactionkinetics,thepossiblemechanismwasfoundtobethepolarizationinducedfromthedirectionaladsorptionoftracesurfactantontheelectrodesurface.Thatistheelectrochemicaloscillations.
