Golly, I wish I was brainier! dee
On 13 Apr 2010, at 18:19, Marshall Dudley wrote:
> Neville Munn wrote:
>> You'll have silver in the solution with OR without Tyndall. We know they're
>> colloids, but what size are those colloids?
>> OK, let's seriously look at particle size for a moment. Question 1 would
>> be...At what *minimum* size do particles have a tendancy to fall out of
>> solution, or what size will they need to be before gravity pulls them out of
>> solution? I look forward to an answer on this one. I'd say they'd have to
>> be pretty big and suggest larger than 1 micron. Nobody who produces EIS
>> comes anywhere remotely near that dimension.
> There is no absolute maximum size. The maximum is set by both the size and
> the zeta of the particle. If the zeta is 0 then even the smallest particles
> will fall out.
>> Question 2 would be...What are the sizes of the smallest AND the largest
>> particles in the same solution? They won't all be the SAME size, there are
>> a different sized particles present to my knowledges, we only hear about the
>> smallest ones, which is probly why particle size and ion/particle ratios
>> don't appear on the bottle, it could come back and bite them on the arse if
>> someone gets an analysis done after purchase. {I don't purchase any so I
>> stand to be corrected if this statement is not right}.
> The smallest are likely to be around 2 angstroms, actually 1X2 angstroms.
> The largest will be indicated by the color to some extent.
--
The Silver List is a moderated forum for discussing Colloidal Silver.
Rules and Instructions: http://www.silverlist.org
Unsubscribe:
<mailto:[email protected]?subject=unsubscribe>
Archives:
http://www.mail-archive.com/[email protected]/maillist.html
Off-Topic discussions: <mailto:[email protected]>
List Owner: Mike Devour <mailto:[email protected]>
