http://www.hach.com is their url.
Marshall M. G. Devour wrote: > 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]>
