Atomic absorption/emission will measure "total silver" which includes ions and particles.
Here is the equipment used at CSL: http://www.colloidalsciencelab.com/Equipment/VarianICP.html frank key www.colloidalsciencelab.com > ----- Original Message ----- > From: "Reid Harvey" <[email protected]> > To: "silver list" <[email protected]> > Sent: Thursday, June 12, 2003 9:15 PM > Subject: CS>ppm lab results and quirks > > > > Hi! > > I'm getting some confusing results here, from lab tests for ppm of > > concentrated CS. One lab is saying 50ppm in atomic absorption, but that > > they cannot measure for particulate silver with the technique. Another > > lab is saying 900ppm for another sample from the same batch, though > > telling me this is inaccurate and they'll repeat the procedure. But > > they're doing some titration process, which presumably does account for > > particulate silver. > > > > Is it true that atomic absorption will only measure ions? Does anybody > > know of some kind of simplified information that list all the various > > characterization techniques that apply? I'm thinking I'll try to get > > hold of the Hannah PWT device, a little more independent of the > > idiosyncrasies. > > Reid > > > > > > > > > > -- > > 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]> > > > > >
