H2O2 is both an oxidizer and reducer with silver. 2Ag + H2O2 -> Ag2O + H2O Ag2O H2O2 -> 2Ag + H2O + O2
That is why silver is considered a catalyst, H2O2 will evolve it's oxygen with most of the silver returning back to metallic silver in the process. That is also why when added to EIS, the tyndall becomes weaker, but does not disappear, the large particles of silver disappear, and small ones are formed instead. Marshall FRANK CUNS-RIAL wrote: > It seems to me that adding peroxide (a strong oxidizer) to a free > metal suspension, it would simply oxidize an amount of silver to > silver oxide a black compound.RegardsFrank Cuns-Rial,
