On the subject of pH- how does the silver carbonate affect the pH? does it raise it or lower it?
On Aug 31, 2010, at 9:17 AM, Marshall Dudley wrote: > David AuBuchon wrote: >> I'm also curious about the number 26PPM (silver oxide and silverhydroxide). >> >> Frank Key says 13.3 is the saturation point of ions: >> "What is the highest concentration of ionic silver that pure water will keep >> in solution? If no other contamination anions >> <http://www.silver-colloids.com/Papers/definitions.html#anion> are present, >> the maximum concentration >> <http://www.silver-colloids.com/Papers/definitions.html#concentration> of >> silver ions >> <http://www.silver-colloids.com/Papers/definitions.html#silver.ion> that >> pure water can hold at room temperature in an unsaturated solution >> <http://www.silver-colloids.com/Papers/definitions.html#saturated> is 13.3 >> ppm. In practice, there is substantial dissolved CO_*2* in the water which >> provides additional anions, so a higher concentration of silver ions is >> possible without saturation. " > He apparently looked up the solubility of silver oxide. However since silver > oxide will convert into and from silver hydroxide, which has a higher > solubility, the effective solubility when both are taken into account turns > out to be approximately double that. With CO2 in the water that allows for > formation of silver carbonate, which does have a higher solubility as well. > Significant presence of CO2 can be dtected by taking the pH though. > > Marshall >> >> ~David A. (the "A" is to differentiate between several David's on the list >> =P) >> >> >> On Mon, Aug 30, 2010 at 8:35 PM, Alchemysa <[email protected] >> <mailto:[email protected]>> wrote: >> >> We know the maximum ppm of IONIC silver in pure water is about 26 >> ppm. And we know 'true' colloidal silvers (e.g. Mesosilver) have a >> PARTICULATE ppm up to 32 ppm. But whats the maximum TOTAL ppm that >> can be achieved with some level of stability in pure water? Would >> it be the sum of these two, or is it a case of 'one or the other'? >> I guess I'm raising the question of 'saturation points' and >> 'suspension points' (if there is such a thing), and how they >> interact. And I'm thinking of a batch thats made purely by >> electolysis. >> >> One problem in answering this question myself is that I rely on >> silver-colloids.com <http://silver-colloids.com>. for various >> details. But silver-colloids uses commercially purchased or >> privately submitted batches for testing, and these batches tend to >> be clear or pale yellow, and hence only about 15ppm TOTAL . No-one >> ever submits a really dirty batch for testing do they? >> >> David >> -- The Silver List is a moderated forum for discussing Colloidal Silver. Rules and Instructions: http://www.silverlist.org Unsubscribe: <mailto:[email protected]?subject=unsubscribe> Archives: http://www.mail-archive.com/[email protected]/maillist.html Off-Topic discussions: <mailto:[email protected]> List Owner: Mike Devour <mailto:[email protected]>
