I have used both high voltage AC and low voltage DC colloidal silver - with positive results (and no graying!).
More for fun than for anything else I would like to run some tests cultivating simple bacteria in a control dish and dishes containing different stengths (PPM) of CS. Does anyone have any idea of where to buy a "kit" that would include petri dishes, growing medium, and instructions for doing this type of simple experiment? Tony -----Original Message----- From: GOOD4u [mailto:[email protected]] Sent: Monday, December 14, 1998 7:36 PM To: [email protected] Subject: Re: CS>Url problems Well, Thank-you very much Ivan for all that information. The only time that My colloid turns yellow is if I make it VERY strong. I just leave it for over 2 hours to get it to be yellow. If I only leave it for 1/2 hour, it stays clear and acquires no bitter taste ate that level. Yes, I encourage anyone that wants to make a very small particle size, to try the neon ballast and let me know what your opinion is. I am also considering mixing Low voltage DC colloid with the product of my high voltage method to make sure that I get a wide variety of particle sizes. I believe this may produce a substance that is effective against a wider spectrum of organisms?? -----Original Message----- From: Ivan Anderson <[email protected]> To: [email protected] <[email protected]> Date: Monday, December 14, 1998 4:31 AM Subject: Re: CS>Url problems >Interesting post John. > >I have been wondering about HVAC processes. Yours sounds like a beauty. >I'm going to make one. >I want to compare the CS made from AC vs DC both LV and HV, and to this end >have been reading at the university science library. Perhaps I can answer >some of your queries in part, but I must say that this area in science seems >quite vague and most study of metalic sols took place before 1950 and can be >contradictory, at least to my limited capacities. >It should be recognised that AC and DC voltages produce different forms of >silver, AC ; elemental metal particles with no charge, DC ; ionic metal >particles generally Ag+ but may also be Ag++ or even Ag+++ and probably some >elemental silver as well. The biological activities differ between the two >products. >First, an oscillating electric arc at low current will produce small >particles, of which 19 - 52% will be silver oxide, I suspect this will be >your milky cloud. According to one of my notes, a certain amount of silver >oxide will aid colloidal stability. Interestingly Svedberg stated that, >silver and perhaps also mercury may produce metal sols by boiling or >irradiation by uv light under water. The irradiation leads to the production >of hydrogen peroxide in the water which oxidises the metal into solution, >silver oxide then separates as the concentration increases, having low >solubility in the colloid form, which then, in turn, is reduced to metal by >the same uv radiation. (perhaps Ionic silver colloid could be stableised by >the addition of a small amount of hydrogen peroxide, boy what combination!) >Silver sols were obtained early this century, first by DC arc (30 -110 V >5 -10 A) then by HFAC 10,000 - 10,000,000 Hz arc with little of the >decomposition of the dispersion medium that plagued DC arc. >I have no idea of the bioactivity of silver oxide. >As to the particle size and colour of CS, Otswald formulated the rule, that >the variation in colour of metal sols is due to a shifting of the absorption >maximum (of visible light) towards the regions of longer wavelength with >decreasing degree of dispersion and Mie found that the colour displayed may >be used to characterise the particle size. Although these rules as well as >those of Rayleigh depend on particle shape it seems they may be applied >generally to colloidal silver. >Thus: as the wavelength of absobed light increases from 400nm to 730nm >violet - inidgo blue - blue - blue green - green - yellow green - yellow - >orange - red - purple light is absorbed, leaving the corresponding >transmitted light : yellow green - yellow - orange - red - purple - violet - >indigo blue - blue - blue green - green, to be observed. >Clear suspensions absorb near uv and uv light and therefore transmit all >visible light, more or less, and are of a correspondingly smaller size. > >I have not experienced yellowing myself, but if that means a shift from a >lighter to a >deeper shade then i suspect an aggregation of particles, as is flocculation >and dropping out. This most likely will proceed until an equilibrian has >been reached, and then should be relatively stable. There is more that I >would like to discuss on this topic and some questions I would ask of those >more familiar with these matters, but for now, my regards. >Ivan > >> >>A High voltage AC maker can be made using a used Neon sign transformer. >>Let me give you an idea of the way that I generate CS. For years I used >the >>9v battery method. I have now found that a used neon sign ballast (9000v) >or >>(12,000v) that you should be able to pick up from a sign shop for about 20 >>dollars, and a couple of pure silver wires, and a couple of alligator clips >>is really all you need to make high quality, high voltage AC Silver >Colloid. >>It can all be done for under $40.00. If you insist on a new ballast, it can >>cost you over $100.00. >>Just submerge one silver wire in the water, and suspend the tip of the >other >>electrode about 1/8 inch above the surface of distilled water. When you >>turn on the ballast,you will get a momentary blue arc, and then a "cone" of >>water will be drawn up the tip of the electrode about 3/8-1/2 inch. Leave >>this for about an 1/2 hour in 1/2 gallon of distilled water. If it >>starts to arc before the 1/2 hour, and you let it arc for a while, then the >>colloid starts to get a cloudy, milky appearance. Even though this "milky" >>product still appears to be stable, (no dropout,or yellowing) I am not sure >>of what particle size is being made during the arcing process, so I do not >>let it arc, Maybe someone else on this list will know what size that type >>of particle is. I don't. I also don't know the concentration that it makes, >>nor how to test at home for concentration. I do think it is somewhere in >>the neighborhood of about 5-10ppm. I do know that by not letting it >>arc, I am making a perfectly acceptable product to me, which seems to be >>vastly superior to the old 9v battery process. It also seems to utilize the >>silver electrode much more efficiently. It is obviously much more stable >and >>exhibits a strong Tyndal effect, and does not seem to "drop out" or get >more >>and more yellow upon sitting. ( I think yellowing and dropout are a sign of >>larger particles) >>If you are interested in making your own CS, you may find that this simple >>arrangement can make a yellowish product that compares much more favorably >>to the product produced by the high quality 10,000v AC machines you may >have >>heard about on the internet selling for over $700, than does the product >>produced by the 30volt >>DC (9v battery process) >> >>John > > > >-- >The silver-list is a moderated forum for discussion of colloidal silver. > >To join or quit silver-list or silver-digest send an e-mail message to: >[email protected] -or- [email protected] >with the word subscribe or unsubscribe in the SUBJECT line. > >To post, address your message to: [email protected] > >List maintainer: Mike Devour <[email protected]> -- The silver-list is a moderated forum for discussion of colloidal silver. To join or quit silver-list or silver-digest send an e-mail message to: [email protected] -or- [email protected] with the word subscribe or unsubscribe in the SUBJECT line. To post, address your message to: [email protected] List maintainer: Mike Devour <[email protected]> -- The silver-list is a moderated forum for discussion of colloidal silver. To join or quit silver-list or silver-digest send an e-mail message to: [email protected] -or- [email protected] with the word subscribe or unsubscribe in the SUBJECT line. To post, address your message to: [email protected] List maintainer: Mike Devour <[email protected]>
