Carbon dioxide absorption as james indicated. If there is more surface area in the SS bowl, that could also contribute more to it as well. We really need to test for copper ions in the water, or test for actual silver content to be sure what is happening.
Marshall Connie wrote: > Oh no, nothing so scientific Marshall, simply using my Hanna PWT to > measure, I see I forgot to mention that. > So what would be your guess to the increase ppm in the porcelain bowl > also? > > > > From: Marshall Dudley <mdud...@execonn.com> > Reply-To: silver-list@eskimo.com > Date: Mon, 21 Oct 2002 10:34:18 -0400 > To: silver-list@eskimo.com > Subject: Re: CS>Silver plate-out experiment > Resent-From: silver-list@eskimo.com > Resent-Date: Mon, 21 Oct 2002 07:34:59 -0700 > > > Connie wrote: > > I just completed an experiment. > We often warn pet owners not to use SS, metal > utensils for watering when CS is added secondary > to silver plate out. > > My results: > > I measured several times over a 52+ hr. period. > There was nearly 2 c of CS in the stainless steel > bowl, 1-1/4 c in the procelain type bowl. > They were of comparable size. (No specific > reasoning, just how I poured it.) > > Starting measure of the CS at start was 16.5ppm > This was freshly generated, right out of the > brewing jar CS, manufactured by my Silvergen SG6 > generator. > Measured immediately after pouring into the bowls: > SS=15.7 Porcelain=16.2 > > I did cover the bowls with small plates, there > should not have been any significant settling of > atmosphere contaminants to explain the increasing > ppm of the CS water. > > Time > SS Porcelain > 3 hrs > 14.7 14.6 > 10 hrs. > 13.3 13.2 > 23 hrs > 14.8 13.7 > 36 hrs > 15.8 14.4 > 48 hrs > 19.4 15.3 > 52 hrs > 20.4 17.1 > > > That is exactly what I would expect. It is known that SS > can contain copper, and that when silver ions contact > copper, the silver plates out, and the copper replaces > them. I suspect that the increase in conductivity is from > silver particles being replaced with copper ions as well. At > any rate, if you want to have CS in the bowl instead of CC, > I would not recommend using it. > > > > MY conclusion....we no longer need to worry of > losing silver ions in the use of SS bowls for > communal animal watering. > > > Did you really test for silver? Or did you test for ions of > any metal, IE a conductivity measurement? Unless you tested > specifically for silver, you cannot reach that conclusion > fom your data. > > Marshall > > > Comments please!! > > Connie > > >
