You can get accurate measurements using a spectrophotometer. That is
what I use when I need accurate data.
Marshall
On 9/24/2012 12:25 PM, Lou Kraft wrote:
Yes, I am certain now that it is the conductivity that is showing on
my ppm meter. That being the case, and if most ppm meters are being
calibrated for NaCl (I have read), how do I get an accurate Ag ppm
assessment of my finished product? Using a standard TDS meter and the
fact that there is a difference in conductivity between NaCl and Ag,
how does the reading (10ppm) actually apply for Ag ppm.
This prompts the questions - Is there a device (meter or way) for
measuring ppm Ag. more accurately.
If I am missing the point here with this just let me know. It just
seemed logical.
Thanks, Lou
On Mon, Sep 24, 2012 at 11:57 AM, Marshall <mdud...@king-cart.com
<mailto:mdud...@king-cart.com>> wrote:
It is impossible for the ppm to change with temperature. PPM is a
constant, unless you have some settling out, or the water is
evaporating. How are you measuring the ppm? Remember
conductivity increases significantly with temperature, so if you
are measuring conductivity you are measuring a change in
conductivity with temperature.
Marshall
On 9/22/2012 2:21 PM, Lou Kraft wrote:
I have noticed that if I heat my finished CS (microwave or stove)
the ppm increases exponentially. An 8ppm solution increased to
16ppm when heated to near boil and returns to 8ppm at room temp.
Is this just the separation of large molecules to smaller when
stimualted by heat? Lou
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