Accumulation pattern of pesticides in tropical fresh waters

Biomedical Chromatography : BMC
R BhushanR P Mathur

Abstract

High-performance liquid chromatography has been used to study the persistence of commonly used organophosphorus and carbamate pesticides-carbaryl, carbendazim, carbofuran, dimethoate, malathion and methyl parathion in river water in the presence of bottom sediment in laboratory aquaria. The fate of pesticides in water and sediment in pre- and post-monsoon water from three sources has been compared. It has been established that rapid degradation occurs once the pesticide leaches into sediment from water. Degradation was at a much faster rate in post-monsoon water and sediment. It was found that pH and organic matter content affect rate of decay.

References

Jan 1, 1995·Biomedical Chromatography : BMC·S ThaparR P Mathur
Jan 16, 1976·Science·P M Boffey

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