HI Marshall, Can you explain how spectrophotometry can be used to indicate particle size in the 1 to 10 nm range?
They keep telling me It can't be done, at Spectronics. James Osbourne Holmes a...@trail.com -----Original Message----- From: Marshall Dudley [SMTP:mdud...@execonn.com] Sent: Thursday, October 28, 1999 9:43 AM To: silver-list@eskimo.com Subject: Re: CS>diagram/design Ivan Anderson wrote: > As far as I know EM and spectrophotometry will not differentiate > between charged and uncharged particles. > > Ivan. Uncharged particle will tend to aggregate very rapidly, and spectorphotometry will show the difference in particle size. I believe there is therotical basis for there being a difference depending on charge as well, but I will have to hit the references on that one to be sure. Marshall -- 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>
