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  3. Volume 16, Number 3, 2022
  4. Optimization of Isocratic Ion Chromatography Methods for Simultaneous Inorganic Anions and Carboxylic Acids Determination

Optimization of Isocratic Ion Chromatography Methods for Simultaneous Inorganic Anions and Carboxylic Acids Determination

JCCT.
2022;
Volume 16, Number 3
: pp. 359 - 366
https://doi.org/10.23939/chcht16.03.359
Authors:
  1. Paulina Pecyna-Utylska
  2. Rajmund Michalski
1
Institute of Environmental Engineering, Polish Academy of Sciences
2
Institute of Environmental Engineering, Polish Academy of Sciences

As a part of preliminary studies, the possibility of quantitative oxidation of aldehydes to carboxylic acids and their determination by isocratic ion chromatography with conductometric detection has been tested. A methodology for the simultaneous separation of inorganic anions (F-, Cl-, NO2-, Br-, NO3-, PO43-, SO42-) and carboxylic acids (formate, acetate and oxalate) by using isocratic ion chromatography with conductivity detection have been developed and validated. Six anion-exchange columns were tested. The best results were achieved for Dionex IonPac AS10 column with 50mM NaOH eluent and flow rate of 1.0 mL∙min-1.

anions
ion chromatography
validation
optimization

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