Analytical Sciences


Abstract − Analytical Sciences, 20(1), 227 (2004).

Determination of Triazine Pesticides and Related Compounds in Environmental Water by Liquid Chromatography-Mass Spectrometry>^r>  Akiko TANABE*  and Kuniaki KAWATA**
*Niigata Prefectural Institute of Public Health and Environmental Sciences, 314-1 Sowa, Niigata 950-2144, Japan
**Faculty of Applied Life Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1 Higashijima, Niitsu, Niigata 956-8603, Japan
A method for the determination of 5 triazine herbicides and 12 degradation products in environmental water samples using liquid chromatography-electrospray ionization mass spectrometry (LC/ESI/MS) has been developed. The pesticides in water were extracted with two types of solid phase: a styrene-divinylbenzene copolymer and a graphitized carbon black. Desorption solvents for the extracted compounds were acetone for the styrene-divinylbenzene copolymer and methanol for the graphitized carbon black. Overall recoveries from ground water and river water ranged from 73% to 111%. The limits of detection (LODs) were 0.2 to 28 ng l-1. This method was applied to several ground water samples.