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Saline detector

Hi,

Attempting to make a device to measure salt concentration in water.
There will be other ions disolved at the same time, namely Chlorates
and Chlorites.
Can anyone point me in the direction I need to go or any pointers on
the web. I have goodled to no avail.

TIA

Cheers,
Andy
 
Hi,

Attempting to make a device to measure salt concentration in water.
There will be other ions disolved at the same time, namely Chlorates
and Chlorites.
Can anyone point me in the direction I need to go or any pointers on
the web. I have goodled to no avail.

Check out flame ionisation analysis and atomic absorbtion analysis -
the sodium D-line is quite strong, quite specific and easy to detect
in absorption or emission.
 
R

Rene Tschaggelar

Jan 1, 1970
0
Check out flame ionisation analysis and atomic absorbtion analysis -
the sodium D-line is quite strong, quite specific and easy to detect
in absorption or emission.

Bill,
the poster was asking for a quantitative device, not
for a qualitative lab test. If he wants to distinguish
chloride from chlorite and chlorate, I guess that's
becoming complicated and expensive.

Rene
 
Bill,
the poster was asking for a quantitative device, not
for a qualitative lab test. If he wants to distinguish
chloride from chlorite and chlorate, I guess that's
becoming complicated and expensive.

Flame ionisation detectors are quantitative devices, and have been
since the 1950's, when my father bought one for the paper mill in
Burnie, Tasmania to measure the sodium concetration in black liquor.
Alan Walsh (whom I once met) invented atomic absorbtion spectrometry a
little later, and Varian-Techtron have been selling systems ever
since.

The devices are complicated and fairly expensive, but entriely
suitable for routine analysis.
 
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