My understanding is that reflections of the laser light only come from
silver "particles", not from silver ions (ok, ions are particles too, but
you know what I mean). So if your brew is highly ionic, you will have only
a weak tyndall effect (what I usually get from the SG6). If the tyndall
effect is thick and solid looking, then you have a lot more silver particles
in suspension as a colloid (only the ions are truly "dissolved"). However,
a heavy tyndall effect is ok as long as the brew is crystal clear. In fact,
I understand that Marshall says it is actually better to have plenty of
particles as well as ions.
As for me, I am always trying for highly ionic CS, with as few particles as
possible.
Del
----- Original Message -----
From: "Dorothy Fitzpatrick" <d...@deetroy.org>
To: <silver-list@eskimo.com>
Sent: Monday, April 12, 2010 1:52 PM
Subject: Re: CS>where is everyone? now - serious CS questions
Hi Leslie, this is one of the problems I have had i.e. the machine hasn't
turned off for over six hours even though the ambient temperature has
actually risen here. The ppm has only been six at this point so to reach
10ppm I've had to run it for another two hours. This is for only half a
litre, so I'm wondering if this is what is causing the yellowing. I use a
simple TDS meter which is not accurate but is near enough. The red laser
pointer is to test the finished CS for 'tyndall effect' which shows that you
actually have silver in your solution. If you have, it makes a clear red
line through the CS water. dee
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