Thanks very much for your advice. I have been looking into some "chemistry" papers, dealing with particle size and agglomeration, that seem to express the opinion that stirring causes agglomeration and increases in the particle size. Does this make any sense?
I think I'll sit back and research a little more before jumping to a purchase of a stirrer. I am using my father's soto inst. unit. I believe this is a constant voltage. From what I understand I should look for a constant current unit next. This would allow for a longer brewing with more consistently sized smaller particles, correct?
Some results I have gained in using a magnetic stirrer vs. not while brewing CS. Everything identical between batches except the use of the stirrer. Both were started with 1.2PPM (PWT meter) DW. The water was boiled and then the brewing started at about 180 deg. F. The brewing time 40 minutes. The final results on the non-stirred CS were 8.5 PPM while the stirred CS read out at 6.2 PPM. I imagine that the stirred particles are smaller in size, due to the stirring, as a result of the lower current.
From this info, would on hypothesize that the ionic silver and colloidal silver were both decreased equally from the stirring or that the decrease was disproportionate between the two, and if so, which production was lessened more, the ionic or colloidal silver? As you can see, I'm in the novice arena. Any further insights would be helpful.
Thanks again Steve and All,
Dan
>From: "S & J Young"
>Reply-To: [email protected]
>To:
>Subject: Re: CS>ADVICE ON MIXING..PLEASE
>Date: Sat, 27 Oct 2001 17:52:31 -0600
>
>Dan,
>
>OK, I'll answer - see comments below.
>----- Original Message -----
>From: "daniel johnson"
>To:
>Sent: Saturday, October 27, 2001 11:16 AM
>Subject: CS>ADVICE ON MIXING..PLEASE
>
>
> > Hello all,
> >
> > I have sent a message out twice under "magnetic mixing pros/cons"
>with no responses. Maybe there were too many questions. I'll try to keep
>it short. I'm looking into using a magnetic stirrer/mixer while brewing CS.
>Does anyone have any idea if the magnetic field would have a "negative"
>effect on the formation of "positive" ionic silver production?
>
>ANSWER: Magnetic fields do interact with electrical fields, and both will
>be present. Whether or not it alters CS generation, I have no idea. But it
>seems like an expensive way to go. Others report good success with an
>acquarium air pump and bubbler to do the stirring - cost less than $10.
>Others successfullyuse small motors with stirring paddles.
>
> > Also, should I spend the extra for a hotplate mixer if only making
>10-15ppm, or would this only make larger particles?
>
>ANSWER: Ditto. Some report using a small light bulb under their brew
>container for some thermal convection stirring. But then you lose some
>repeatability by introducing another variable of unknown temperature
>variations in the water. Just use simple stirring or air bubbling.
>
> One more question, I can't help it, does mixing greatly lengthen the
>process?
>
>ANSWER: As best I can tell, yes if you use a constant voltage as it
>prevents bridging and higher currents from flowing between the unstirred
>electrodes - all of which are good. But no if you use the better method of
>constant curent.
> >
> > Any insights greatly appreciated,
> >
> > Many thanks,
> > Dan
> >
>You're welcome,
>--Steve
> > --------------------------------------------------------------------------
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