I think you mean don't bother with a PWT meter.

Dan

On Thu, Jan 12, 2012 at 2:40 PM, D Glover <mothman...@gmail.com> wrote:
> Asif, don't waste your time with uS meters except for testing the purity of
> your water, as they were only designed for that purpose, and nothing
> more, they cannot in any way measure ionic content of silver sol or be used
> to infer any value for ppm of silver ions in a sol  through extrapolation by
> some mathematical means.  No matter how you play with maths you will not get
> a proper answer. Rather, standardize your method of manufacture (for some
> tips please see my essay on the manufacture of silver sols at Mothman777's
> Blog')
> Make some 20 ml specimens and submit those to a professional lab (university
> labs are cheapest), they will dissolve all the clusters of ions into single
> ions with the addition of nitric acid, then a fine vapour of this is
> aspirated under pressure into an argon plasma flame at a high temperature
> and the colour of the spectrum will tell you accurately what you have made,
> but bear in mind that 10 ppm might all be in a small number of a few
> thousand clusters (for example) or might be in trillions of clusters.
>
> On Thu, Jan 12, 2012 at 9:47 AM, Asif Nathekar <asifnathe...@hotmail.com>
> wrote:
>>
>> Hi,
>>
>> I have been doing some more reading which has got me looking for a
>> resolution, namely what uS do you consider to roughly figure out the PPM.
>> I know the reason why a typical ppm or uS meter would not give a reading
>> due to the ions which we do want to measure not being very measurable in
>> terms in electrical conductance.
>> But it there a rough method to measure from the stuff that does conduct.
>> What I am therefore asking is if my uS meter says 10 uS what ppm of CS
>> should I consider that to be.
>> I have so far been halving the value so  that I would have said that was 5
>> ppm. This was from information I received from other posts.
>> Kindly help shed some light in this matter for me.
>> Cheers
>> Peace to all
>> Asif.
>>
>>
>>
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>