水体中胺鲜酯残留量的测定及其光解特性

Journal of Ecology and Rural Environment ›› 2007, Vol. 23 ›› Issue (4): 45-48.doi:

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Determination and the Photolytic Characteristics of Hexanoic Acid 2-(Diethyl Amino) Ethylester(DA-6) in Water

GUO Min, SHI Li-Li, SHAN Zheng-Jun, KONG De-Yang

Nanjing Institute of Environmental Sciences,State Environment Protection Administration

Received:2007-07-11 Online:2007-10-25 Published:2011-07-06
Contact: SHI Li-Li Nanjing Institute of Environmental Sciences,State Environment Protection Administration

Abstract

Abstract: A method has been developed for monitoring DA-6 in water using the solid phase extraction(SPE) method combined with gas chromatography.Three different SPE cartridges(C₁₈,florisil and Oasis^R HLB)were tested in extracting DA-6,showing a recovery rate of 8%,13% and 96%,respectively.The solid phase extraction method using an Oasis^R HLB cartridge was further studied for its optimal operating conditions,which were found to be 4-8 mL dichloromethane as eluting solvent;the reserved capacity of an Oasis^R HLB cartridge(60 mg) reaches as high as 200 μg·cartridge^-1.This method was applied to a photochemical degradation test of DA-6,with results showing that the photolysis of DA-6 in water followed the first order reaction,and its half-life was 82 min under xenon lamp.

Key words: solid phase extraction(SPE), gas chromatography, hexanoic acid 2-(diethyl amino) ethylester(DA-6), photolysis

CLC Number:

X832

GUO Min, SHI Li-Li, SHAN Zheng-Jun, KONG De-Yang. Determination and the Photolytic Characteristics of Hexanoic Acid 2-(Diethyl Amino) Ethylester(DA-6) in Water[J]. Journal of Ecology and Rural Environment, 2007, 23(4): 45-48.

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Determination and the Photolytic Characteristics of Hexanoic Acid 2-(Diethyl Amino) Ethylester(DA-6) in Water

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