The conductivity decreases as the ions form particles and/or plate out on the present particles. Particles do not increase conductivity, just the ions do, so as they become particles, the conductivity decreases.
Marshall Matthew McCann PE wrote: > Just for fun, I wanted to see how many re-brewingcycles I could force > a batch of EIS through. I justfinished the eighth re-brewing. I will > try for a ninthtomorrow, after it relaxes overnight. It is strawyellow > and strongly metallic in taste. Here is a question. Why does > conductivity decayfor about a day after the electrolysis? There is > morethan one possibility. Agglomeration and sedimentationof silver is > one possibility. A second possiblity isneutralization of radicals by > recombination (e.g.warm water cools and becomes less conductive > eventhough no precipitation occurs.) And a third possibilityis the > envelopment of silver nanocrystals by watersof hydration; this > increases the sluggishness of thecharged particulates without > sedimentation orcharge dissipation. It would be analogous to > barnaclesencrusting on ship hulls and slowing freighter > traffic. Matthew
