Analysis of s-triazine herbicides in model systems and samples of groundwater by gas and liquid chromatography
2010
Kostadinović Ljiljana | Pavkov Sava | Dozet Gordana
In this paper, residues of s-triazine herbicides (Simazine, Atrazine, Amethrine, Promethrine and Azyprothrine) have been determined in samples of model systems and real groundwater samples by gas-chromatography and high performance liquid chromatography. S-triazine herbicides were isolated from water samples by chloroform-methanol mixture (1:1), followed by purification of extract on the Al2O3 column. Gas-chromatographic determination the residues of s-triazines is performed on parallel capilar columns ULTRA I and ULTRA II, using specific NP detector. Liquid-chromatographic determination the s-triazines was performed on the column TSK ODS-120 A 5 mm 'LKB', using the mobile phase methanol-water (60:40). Total concentration of s-triazines in samples of Danube water was 3.54 mg dm-3. .
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