The first samples I ever had tested went to:
North Carolina State Department of Natural Resources Water Laboratory.
[Half the building is a sign the taxpayers bought]
All they do is test water for the state..that's IT.
They sent back an average of three runs using large samples that ranged
from 45 to 55 PPM.
I seriously doubt it was anything over 20 PPM
They did have a spectrophotometer, but probably didn't have the right
light source to test silver.
I don't believe they used it.
Obviously the method they did use wasn't good enough.
Other samples made the same way and done by two different people [Ole Bob
Berger and Frank Key ] came out at 11. something PPM with the results very
close to each other.
Needless to say, I never went back to the state lab.
..about $200 per sample for a complete workup at a "real" lab on a $250,000
AA Spec and a $40,000 Malvern Particle Sizer......Ole Bob charged $7 if I
recall, but he was a hobbiest using an army surplus Hach colorometer that
was "surprisingly" accurate. [PPM only]
Ode
At 11:28 AM 12/15/2008 -0500, you wrote:
Thanks, Mike.
I will give it a shot.
Cheers,
indi
On Thu, Dec 11, 2008 at 10:00:09PM +0000, M. G. Devour wrote:
> Hi Indi,
>
> > Do you know of any labs that have affordable rates for that sort of
> > thing? I would love to get a lab report on what I'm producing.
>
> I literally picked up the Yellow pages and found an environmental
> testing service lab a few miles from here. Dropped my samples off and
> received the report in the mail a week or two later. I don't remember
> how much it cost but it wasn't so expensive I wouldn't do it again, nor
> so cheap I'd do it all the time... <wink>
>
> > > You could have a sample tested at an environmental
> > > lab. Tell them it's silver in clean water in the low ppm range and ask
> > > what methods they have for making the measurement. Atomic absorption
> > > spectroscopy is one method I vaguely recall reading about years back.
>
> Mike D.
>
> [Mike Devour, Citizen, Patriot, Libertarian]
> [[email protected] ]
> [Speaking only for myself... ]
>
>
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