----- Original Message ----- From: "Matthew McCann" <[email protected]> To: "William Amos" <[email protected]> Sent: Saturday, November 27, 2004 3:29 PM Subject: Re: Re:CS>Silver lining and silver production
> Hello, William, > > I do not use a commercially-made electrolysis > apparatus. At one time I used current regulation, > but I went to current limitation at a low current > range (20-200 microamperes) instead. I get a > low current by keeping my electrodes separated > more than most people do (about 3 inches.) > I do current limitation by putting a rheostat in > series with my reaction vessel electrodes, power > supply (a 30vdc external power supply salvaged > from a discarded Apple computer) and analog > microammeter (range: 0 to 500 microamperes. > The resistance of the rheostat (a variable resistor) > can be about the same as the resistance between > electrodes in DW before 'starter' is added. I then > adjust the rheostat so that it the current goes to > about 50% to 60% of full-scale reading on my > analog microammeter when the brew is done. > As it turns out, a 100 kilohm or 200 kilohm > rheostat works well with the rest of my apparatus. > I like to keep the current limitation below 500 > microamperes so I can let it brew all night as well > as reduce particulate size range. I consider current > range to be more important than current constancy. > > It takes more time to prepare a batch of EIS this > way. But a always keep a gallon or two on hand. > If I don't use it up in several months, I don't discard > it. I just rebrew it. I can tell when it is done by the > appearance of a shiny slick on top of the brew. > This is a natural end-point indicator. This slick is > highly reflective but probably only one molecule thick. > Much of it can be re-dispersed by stirring with a > glass rod or tube. What does not disperse can be > concentrated at the center of the vessel by > stirring; it can then be removed without > filtering by sucking it out with a plastic straw or > glass tube. After that, the brew can be left to > stand overnight to stabilize (with electrodes removed) > and re-brewed the next day. Re-brewing can be > repeated quite a few times. I've done it 8 to 10 times > until it got a yellow tinge. Then I clarify the yellowishness > with about 1-2 cc of 3% h2o2, letting the h2o2 react > overnight. The product is mighty strong at this point, > but can always be diluted with DW. > > Stirring is essential, and I use the thermal stirring method. > My glass spaghetti canister sits neatly in a desktop hot-pot (West Bend, > 600W max) at its lowest setting, on a glass > candle holder as a spacer to reduce the heat further, > getting a steady-state 97-101 degreese Fahrenheit. > I conjecture that the thermal method of stirring is > conducive to the shiny slick appearing before sediments > do, which makes it easier to detect an end-point and > preparing for re-brewing. But I haven't really made > conclusive observations about this comparative > aspect of stirring methods. > > Well, I hope these comments are of interest to you. > I think it would be good if others too would summarize > there experiences and 'best practices.' > > Best regards, > > Matthew > > ----- Original Message ----- > From: "William Amos" <[email protected]> > To: <[email protected]> > Sent: Saturday, November 27, 2004 2:19 PM > Subject: Re:CS>Silver lining and silver production > > > > Can you comment on the current limiting device ? > > I too wondered about that. > > Bill Amos > > -------------------------------------------------------------- > > Hello, Max, > > > > I use the Canadian coins as electrodes, too. Instead of > > reshaping them, I mount them on the lip of the reaction > > vessel (I use a tall, narrow glass spaghetti jar) using > > S-shaped silver wire hooks. I drilled two holes through > > each coin, diametrically opposed and near (about 3 > > millimeters) to the edge of each coin. Two holes > > instead of one allows me to flip the coin around > > occasionally for an even wear. I use a brass-bristled > > brush to clean and polish the electrodes after each use. > > ( I use brand-new detailing brushes from an automotive > > supplies store.) One of the advantages of coins over > > wire is that the rigid coins hold up better to brushing. > > There is some loss of silver from the electrodes due > > the hole-drilling and brass-bristle brushing. But silver > > is not expensive in comparison to the cost of distilled > > water. I simply invested ten to eleven dollars in an > > extra Canadian Maple Leaf. One 30-gram electrode > > will eventually be dispersed in several thousand kilograms of distilled > water, costing hundreds or thousands of > > dollars depending on the source of the DW. > > > > Best regards, > > > > Matthew > > > -- The Silver List is a moderated forum for discussing Colloidal Silver. Instructions for unsubscribing are posted at: http://silverlist.org To post, address your message to: [email protected] Silver List archive: http://escribe.com/health/thesilverlist/index.html Address Off-Topic messages to: [email protected] OT Archive: http://escribe.com/health/silverofftopiclist/index.html List maintainer: Mike Devour <[email protected]>
