> http://www.csprosystems.com > email : [email protected](Bruce Marx) > Location San Antonio, TX > > They have a lab testing service - very good one. Uses Electron microscope - > determines particle size range and weight in ppm of silver.
How much do they charge? turf -- 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]>
