Ivan wrote:
> What colour are particles less than 10 nm? The same as in the photo, cloudy, white. > Have you sized a red or yellow sol? Have not measured a red, briefly looked at a yellow. I have seen slight yellow with particles over 60-90 nm which is a small fraction of the blue wavelength. frank key -- 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 Silver-list archive: http://escribe.com/health/thesilverlist/index.html List maintainer: Mike Devour <mdev...@eskimo.com>