On  8 Apr 98 at 21:29, Paul Novak wrote:

>     My CS batches normally start out a very pale straw color and
> end up after 5-7 days a rich, but light amber ...  I've followed
> the discussion on the scattering of light and its relationship to
> the colloid's color. My question then is this:  If the color of my
> colloid is deepening over time, what is this telling me about the
> particles of silver???

I have observed a similar thing, with my somewhat higher
concentration CS starting out a rich amber and darkening over 24
hours or so to a deep honey or even burgundy color.

It does change color rapidly as it cools to room temperature. But 
then it continues to change for a while longer.

The stuff is still effective, though, so I don't know that anything 
is wrong with it.

It is a good question and I do not have an answer for you, Paul.

Be well,

Mike D.

[Mike Devour, Citizen, Patriot, Libertarian]
[[email protected]                       ]
[Speaking only for myself...              ]


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