Florentina Laura Chiriac, Toma Galaon, Liliana Cruceru
Conference: International Symposium “The Environment and the Industry”
Date: October 13-14, 2016
Location: Bucharest, Romania
Published: 2016
Inorganic anions
Ion chromatography
In order to protect the environment there have been developed various methods allowing
determination of different pollutants in several environmental matrices (wastewater, surface
water, drinking water). Many of the methods used so far have proved to be insufficiently
sensitive, selective and accurate or time consuming. Recently much attention has been paid
to ion chromatography, which seems to be one of the most promising method. A direct ion
chromatographic method of measuring common inorganic anions, such as fluoride, chloride,
nitrite, bromide, nitrate, phosphate and sulphate was modified and expanded to include
measurement of three new components, listed by eluting order: acetate, formate and
chromate. In this method, samples were injected using a large-volume direct injection
technique, the analyte anions were separated on a carbonate based anion-exchange column
using isocratic carbonate/bicarbonate eluents and suppressed conductivity detection method.

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