James wrote: > What you are describing is the way it is done. You react the silver > with reagents which produce a color whose intensity varies with the > concentration available silver. ... > All it would take is a high-accuracy set of printed color patches > to get you in the ballpark with the Hach reagents. I think you > could judge it certainly to within 2 PPM and possibly within 1 PPM.
Well, I guess I shoulda asked this question more often. You guys have been around for months now and I didn't know you knew! <grin> Do you have any contact info for Hach? I should investigate. Be well, Mike D. [Mike Devour, Citizen, Patriot, Libertarian] [[email protected] ] [Speaking only for myself... ] -- 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]>

