Jannette wrote: > I use a TDS meter calibrated for CS. I then multiply the PPM by 1.4 to > arrive at the approx. gold ppm.
You might consider having the concentration tested by atomic absorption/emission to verify it. I doubt that the TDS measurement has any validity. frank key -- 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]>
