engleski

Monitoring of Nitrifying Processes in Ground Water by Ion Chromatography

In this paper a monitoring of nitrifying processes in ground water by ion chromatography is described. The removal of ammonia from mineral medium containing known concentrations of ammonia (up to 300 mg/L) and from ground water by biological oxidation was studied. Nitrifying bacteria were isolated from ground water containing ammonia. Ammonium ion was determined by a standard titration technique while nitrite and nitrate ions were determined by ion chromatography (IC Supersep anion column) using 1.5 mM phtalic acid solution containing 5 % acetonitril as eluent. Depending on its concentration in water biooxidation of ammonia lasted from 48 hours till three weeks.

anion exchanege ion chromatography ; nitrite and nitrate determination ; nitrifying bacteria

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