Yes,

especially if you could measure the concentration of the cs before and
after.
BTW Roger, I was a bit optimistic with the 10nm filter...20nm is as small as
I could find.

Regards
Ivan.

> -----Original Message-----
> From: rogalt...@aol.com [mailto:rogalt...@aol.com]
> Sent: Sunday, 3 June 2001 01:50
> To: silver-list@eskimo.com
> Subject: Re: CS>Re[2]: CS>Measuring particle concentration of colloids
>
>
> In a message dated 6/2/01 0:16:35 AM EST, i...@win.co.nz writes:
>
> << Subj:     RE: CS>Re[2]: CS>Measuring particle concentration of
> colloids
>  Date:  6/2/01 0:16:35 AM EST
>  From:  i...@win.co.nz (Ivan Anderson)
>  Reply-to:  silver-list@eskimo.com (*Silver-List*)
>  To:    silver-list@eskimo.com
>
>  James,
>
>  How much do you want to filter?
>  You can obtain syringe filters that will pass about 100mL at 10 or 20nm.
>
>  Ivan.
>   >>
>
> Ivan: Wouldn't such a filter provide a simple way to determine CS
> 'quality'
> by analyzing the pre and post-filteredf CS for silver -- assuming
> that ' good
> quality' means smaller that 10-20 nm, and 'poor quality' means
> greater that
> 10-20 nm. Roger
>


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