Roger, I can't find the reference just now, but I believe rather than having a DC across the electrodes causing the electrophoresis of the particles in the solution, an AC current of fairly high frequency is used, which keeps these particle pretty much jiggling in place and avoids the plating out which would otherwise occur. If you leave such a meter sitting in the solution some plating out is inevitable, which may distort the reading.
Ivan. ----- Original Message ----- From: <rogalt...@aol.com> To: <silver-list@eskimo.com> Sent: Friday, 23 June 2000 00:35 Subject: Re: CS>PWT Calibration > In a message dated 6/22/00 7:26:23 AM EST, i...@win.co.nz writes: > > << j: Re: CS>PWT Calibration > Date: 6/22/00 7:26:23 AM EST > From: i...@win.co.nz (Ivan Anderson) > Reply-to: silver-list@eskimo.com > To: silver-list@eskimo.com > > > Ivan: Could you re-state: "The voltage across the electrodes is AC of about > 10KHz to limit the attraction of ions to either electrode. Should be fine if > you don't > leave it sitting in the solution. Just rinse in distilled water when done". > > Thanks, > > Roger -- 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>
