Check these sites to understand a little more about TDS and conductivity/resistance: http://www.coleparmer.com/Techinfo/Techstuf/condtec.htm http://www.culligan.ca/tds.html http://www.goodwaterco.com/tds.htm - which includes a chart and graph relating TDS to conductivity.
Equivalent weight of Ag+ = 100 TDS as CaCo3(equiv. weight 50) x 2 = TDS as Ag+ (this assumes monovalent Ag+ ions) Regards Ivan. ----- Original Message ----- From: Victoria Welch <vi...@oz.net> To: <silver-list@eskimo.com> Sent: Friday, 17 September 1999 18:23 Subject: CS measurements ?! > James and Ian, > > > [ ... ] > > I have become accustomed to using PPM because that is what most everyone on > > the list uses. I don't have a direct formula to convert mS to PPM, but I > > will get one. My meter displays either. > > If you have a formula to convert PPM to mS, I would appreciate it if you > could pass it along. I now have the Hanna TDS and would like to make it > as useful (or potentially so) as possible. > ..snip.. -- 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: silver-list-requ...@eskimo.com -or- silver-digest-requ...@eskimo.com with the word subscribe or unsubscribe in the SUBJECT line. To post, address your message to: silver-list@eskimo.com List maintainer: Mike Devour <mdev...@id.net>
