Is the separation of nitrate and arsenate possible through capillary electrophoresis? If so, why? How would I set up an experiment that would allow me to separate these two constituents in a sample of groundwater?
Bayan Hussien
Well,
Article Simultaneous separation of inorganic anions and cations by c...
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Farrukh Ahmad
The answer is yes. However, I am not sure about the sensitivity. Here is an application note from Agilent for the separation of nitrate, nitrite, arsenate, azide etc. calibrated over a 10 ppm concentration from food samples. You can try to preconcentrate your GW sample using an anion exchange sample prep cartridge before you run CE.
https://www.agilent.com/cs/library/applications/5989-9811EN.pdf
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