Depends on what you are wanting to test. I believe PPM can be best tested through colormetery or atomic spectrometery. Size with electron microscope. Zeta potential can be measured by special machines that do that.
Marshall Marilyn Caldwell wrote: > Marshall- > > What do you think is the best method for testing the Cs? > > Marilyn > > -----Original Message----- > > From: Marshall Dudley [mailto:mdud...@execonn.com] > > Sent: Sunday, July 02, 2000 10:03 PM > > To: silver-list@eskimo.com > > Subject: Re: CS>effect of distillation on PPM? > > > > > > When making the CS we have found that once you get to a certain > > ppm, 10 or so, > > that the number of paticles do not increase with concentration, > > but the size of > > the particles do. Using this technique, you may find a similar > > limit, or may > > not. One would need to do some testing to be sure. > > > > Marshall > > > > Arnold Beland wrote: > > > > > This being the case and starting with very pure water, could we > > not use the > > > process for making a concentrated form of CS? > > > > > > ----- Original Message ----- > > > From: Marshall Dudley <mdud...@execonn.com> > > > To: <silver-list@eskimo.com> > > > Sent: Sunday, July 02, 2000 7:03 PM > > > Subject: Re: CS>effect of distillation on PPM? > > > > > > > 10 ppm. > > > > > > > > Marshall > > > > > > > > Arnold Beland wrote: > > > > > > > > > If I start with let us say 5PPM and distill off > > (evaporate?) 50% of the > > > CS, > > > > > what will be the PPM of the remainder? > > > > > > > > > > Best Regards > > > > > > > > > > Arnold > > > > > > > > > > -- > > > > > 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> > >
