A short piece insulation from #12 wire does nicely for a stirring shaft Ken
At 09:32 PM 12/1/00 -0600, you wrote: >Radio Shack sells a *small* DC motor for 2 bucks. It's rated for 1.5-5 >VDC, so you can run it off a single battery & suspend it over the top of >the glass of disilled water. For a stirrer, I want something I can >attach to the tiny shaft w/ crazy glue. Plastic may not stick; I have >some oak... --Russ > >On Fri, 01 Dec 2000 21:07:21 -0600 "Robert L. Berger" ><[email protected]> writes: >> Susan, >> >> You are making CS but you are running the process too long. The >> black that >> you see is normal for a system that is not under constant agitation. >> >> This is typical of what happens when people do not understand the >> process. >> To know what is going on you really should have a current meter in >> one of >> the cell leads and stop the process when the current reaches about 4 >> to 5 >> milliampers. >> >> This black stuff is silver and the correct name for it is "treeing". >> It >> happens in most electroplating systems and that is what making CS >> is. >> >> Do have a larer pointer to check for the tyndall effect? If not get >> one. >> >> I know some people say it is very simple but they have been doing >> it for >> years. So to cut the learning time get digital multimeter and learn >> how to >> measure current with it. Then you can control the process. >> >> "Ole Bob: >> >> >> >> -- >> 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] >> Silver-list archive: >> http://escribe.com/health/thesilverlist/index.html >> List maintainer: Mike Devour <[email protected]> >> > >
