That's part of it.
In the spirit of reality where "and" counts, silver oxides can also play a
role in both color AND particle size when being a crystal nucleation site
for smaller particles.
Hydrogen Peroxide scavenges the nucleus out of crystalline structures by
destroying colored [pigment] Silver Oxide particles of the crystals
nucleus, thus breaking apart a particle that's the right size to display a
light scattering color down into one that won't.
It works on green and red particles too...sometimes nucleated by an a
organic contaminant that has no pigment of its own that H2O2 will also destroy.
ode
At 08:44 AM 6/25/2008 -0500, you wrote:
This gets into colloid chemistry, which is a very interesting subject, but
can get technical, depending on your background. Basically, the yellow
color comes from certain wavelengths of light being absorbed by the silver
ions, so the opposite color appears. It has to do with the size of the
particles- or rather the mix of ions and particles, and the effect is not
dependant on the element, but on the size.
that is my understanding at any rate. The yellow color denotes a slightly
larger size predominating in the jar, but it is still very very tiny, and
also effective. I would hesitate to use a strongly golden colored
solution, but a with a faint yellow I would not hesitate.
kathryn
On Jun 25, 2008, at 7:29 AM, Mary Ellen Murphy wrote:
There are several different answers as to yes or no the the using the yellow
sivler. Anybody really know for sure
Mary Ellen
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