If the
migration values are almost constant, as happens for Oso Fresh
and Fresherlonger samples, it means that the amount of silver released
as nanoparticle form and as oxidative dissolution is low
but constant. However, if the migration values are much higher
in the first cycle when compared with the next cycles (as happens
for Kinetic Go Green sample) means that most of the nanoparticles
present in the surface have been released in the first cycle and the
amount of silver observed in the subsequent cycles comes mostly
from oxidative dissolution of the remaining nanoparticles.