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1 Acta Chromatographica

1 2003

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Monitoring river water in the lower Danube for atrazine contamination

Vitanov N. K., Lekova K. I., Dobreva N. I.

Acta Chromatographica

2003

No. 13

230-242

GC-MS method is proposed for determination of atrazine in water. The limit of detection (LOD) is 0.0050 μg L-1 and quantification is possible in the range 0.011 to 1.84 μg L-1. The method was used for analysis of surface water sampled from Silistra and from Rousse, on the Lower Danube, over a two-year period. The concentrations of atrazine in the samples were from 0.389 to 0.673 μg L-1, RSD 4.25%. The quanti-tative data obtained were processed statistically and showed seasonal and geographic changes in atrazine concentration. Important conclusions about the current status of the pollution were obtained from statistical and compa-rative analysis, as were other trends in the contamination of surface waters with atrazine.