Abstract
A method using the solid phase extraction (SPE) and liquid chromatography-mass spectrometry (LC-MS) to analyse atrazine and its degradation products at levels of low nanograms per liter in water has been developed. The environmental water samples were filtered and then extracted by SPE with a new sulfonation of poly(divinylbenzene-co-N-vinylpyrrolidone) sorbents MCX. HPLC/APCIMS was used for the analysis of atrazine and its degradation products, desethylatrazine (DEA), deisopropylatrazine (DIA), dideal-kylatrazine (DEDIA), and hydroxyatrazine (HYA). The detection limits ranged from 10–50 ng/L in water samples. Samples were collected from deep wells and a reservoir near a plant that produced atrazine. Atrazine concentration levels in most surface samples were above the limit of the China Surface Water Regulation (3 μg/L). In ground water, the levels of degradation product were more than 0.1 μg/L and 5 –10 times greater than those of atrazine. The highest DEA concentration in the groundwater sample taken at the 130 m depth was 7.2 μg/L.
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Ren, J., Jiang, K. Atrazine and its degradation products in surface and ground waters in Zhangjiakou District, China. Chin.Sci.Bull. 47, 1612–1616 (2002). https://doi.org/10.1007/BF03184108
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DOI: https://doi.org/10.1007/BF03184108