On Dec 7, 2005, at 5:01 AM, Tom Sobota wrote:
>
> As I see it, for Adams and the rest, the reaction product was indeed
> the blackening of the
> silver which was immediately seen as having an optical density. That
> is why they simply called
> it 'density', meaning always 'optical density'. But this concept is
> not easily translatable to
> dichromated colloids, since in these the reaction product is
> essentially transparent.
That was exactly, and entirely, the ever-&(#@-ing point. Sorry for the
profanity, but I'm really getting weary. That was my whole point,
that the term "density" doesn't work in dichromated colloids like it
does in silver. Can I go now?
Katharine
Received on Wed Dec 7 08:22:15 2005
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