Thanks! Now I have an explanation for what I saw happening to my long
ago not very good CS.
sol
Marshall Dudley wrote:
I believe this is what happened:
Initially you had a fair amount of larger particles, the reason it
was yellow, and the total ppm was likely over 25 ppm. When you added
the H2O2, initially it reacted with the large particles, producing
silver hydroxide and silver oxide, which have a solubility limit of
about 25 ppm together. So some of the hydroxide and oxide
precipitated forming the cloudy part. When you added more H2O2, much
of the hydroxide and oxide reformed 2 atom particles, clearing it.
Marshall
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