Silver plated copper dust sounds interesting. Do it in a rock tumbler? If the existing candles have some sort of cavity, a fired disk could be placed there and expose the water to silver before going through the filter.
Ode At 10:14 AM 11/19/2003 -0500, you wrote: >Reid Harvey wrote: > >> Ode, Marshall, Mike D., Everybody, >> >From what I'm seeing there are at least two very different approaches to >> ceramic filter saturation, each with it's own bunch of materials and >> methodologies. The two approaches include: #1. that which requires >> kiln firing and some upper temperature, and #2. that which is done >> without heat, applied to filters that were made without silver >> saturation, using room temperature methods. Mike, you helped me >> crystalize this understanding with your earlier comments. Now can >> someone give ideas that would help expand on possibilities for the >> second alternative? Silver nitrate is one #2 approach we've considered, >> but it appears a minute amount of the AgCl is disolved within the >> filtered water. I'm hopeful someone can suggest ideas for other forms >> of silver, that whould be insoluble, nothing to be found in the filtered >> water. >> >> While I feel good about is a number of alternatives in the first >> catagory, but I'm less confident of the second. As I mentioned I have a >> couple of hundred candles, complete with plastic parts, candles that >> were never silver treated. And now I'm concerned about insufficient >> Microdyn, concentrated CS with which to saturate these. So at first I >> turned to silver chloride as an imagineable alternative. First I >> saturated the purifier with AgNO3, then running salt water through the >> candles, the ion exchange results in AgCl within the candles, the >> nitrate running off. But the problem appears to be a minute amount of >> AgCl that comes off in the filtered water, something like 1.0 ppm. >> >> Marshall, I think you mentioned that silver peroxide is a form of silver >> that is altogether insoluble. Would there be a way of applying this, or >> some other insoluble form, into the purifier medium? > >Unfortunately I do not have the information on silver oxide vs silver >peroxide, how each is formed, or the stability of them. > >> What about silver >> iodide or bromide? > >Both of these are somewhat more soluble than silver chloride. > >The following are the only silver compounds I can find that are insoluble: > >silver nitroperoxide >silver peroxide Ag2O2 or AgO >Ag2P2O2 >Ag2Se >telluride mineral Ag2Te >Tellurite mineral Ag2TeO2 >pyrargyrite AgAg3SbS3 > >I cannot guarantee I got those formula correct, especially the subscripts, >they are printed so small I have a hard time reading them. > >Did you get my message about the possible of using powdered copper, then >running silver nitrate through it to plate silver on the outside of the >grains? > >Marshall > > >> Really I'm reaching here, my knowledge of chemistry >> not upto it. So I'm reaching, hoping someone can suggest something, >> maybe one last alternative prior to collecting observations, this >> chapter of the development. >> >> To reiterate, I hope it is understood that my intention is not to >> agrandize myself, rathering seeking work as a ceramist, involved with >> water purifiers. It should also be understood that anybody anywhere >> could use this published information to begin saturating ceramic >> filters, purchased in local markets, after the #2 approach, treating >> canldes that have had no prior application of silver. Startup projects >> that would purchase local candles and silver saturate them in this way, >> provided one were to successfuly apply the silver to market candles, and >> having ascertained that the ceramic is of good quality. Rather I intend >> publishing this so it's freely available for anyone to use in ceramic >> water filter projects. >> >> Thanks, >> Reid >> >> -- >> The silver-list is a moderated forum for discussion of colloidal silver. >> >> Instructions for unsubscribing may be found at: http://silverlist.org >> >> To post, address your message to: [email protected] >> >> Silver-list archive: http://escribe.com/health/thesilverlist/index.html >> >> List maintainer: Mike Devour <[email protected]> > >
