Expert system for the ion chromatographic determination of alkali and alkaline earth metals in mineral waters
β Scribed by N. Gros; B. Gorenc
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 805 KB
- Volume
- 697
- Category
- Article
- ISSN
- 1873-3778
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## Abstract An ion chromatographic method has been developed for the determination of alkali (Li^+^, Na^+^, K^+^), alkaline earths (Ca^2+^, Mg^2+^, Ba^2+^, Sr^2+^) and ammonium ion in waters. The usual difficulties encountered during traditional cationβexchange separations (incomplete resolution fo
Formation constants of acetate, hydrogencarbonate, malonate, citrate and 1,2,3-propanetricarboxylate complexes with Na+, K+ and Ca'+ were determined potentiometrically using sodium, potassium and calcium selective electrodes, at 25Β°C and at different ionic strengths, in the range 0 <II 1 M. Formatio