Determination of chlorophenoxy herbicides in air by gas chromatography/mass spectrometry: selective ion monitoring

SO Farwell, FW Bowes, DF Adams - Analytical Chemistry, 1976 - ACS Publications
The electron-impact mass spectra for the chlorophenoxy family of herbicides were obtained
and subsequently exam-ined for their characteristic fragment ions. These mass ions were …

Gas chromatographic and mass spectrometric determination of chlorophenoxy acids and related herbicides as their (cyanoethyl) dimethylsilyl derivatives

MJ Bertrand, AH Ahmed, B Sarrasin… - Analytical …, 1987 - ACS Publications
A method using (2-cyanoethyl) dlmethyl (dlethylamlno) sllane to form derivatives with
phenoxy acid herbicides and related compounds Is presented. Results obtained with 18 …

Applications of gas chromatography—mass spectrometry in monitoring environmentally important compounds

D Barcelo - TrAC Trends in Analytical Chemistry, 1991 - Elsevier
The use of gas chromatography-mass spectrometry (GC-MS) with electron impact (EI) and
positive and negative chemical ionization (PCI and NCI, respectively) is a valuable …

[引用][C] Electron capture mass spectrometry of organic environmental contaminants

VS Ong, RA Hites - Mass Spectrometry Reviews, 1994 - Wiley Online Library
Electron capture mass spectrometry is one of the most sensitive and selective techniques for
the analysis of trace amounts of environmental organic contaminants The sensitivity of …

Quantitative calculation of gas chromatographic peaks in pesticide residue analyses

JA Gaul - Journal of the Association of Official Analytical …, 1966 - academic.oup.com
Abstract Comparison of five methods for calculating gas chromatographic peaks (disc
integration, triangulation, peak height× width at half height, Rt× peak height, and peak …

Analysis of chlorophenoxy acid herbicides in water by large-volume on-line derivatization and gas chromatography–mass spectrometry

WH Ding, CH Liu, SP Yeh - Journal of chromatography A, 2000 - Elsevier
This work presents a modified method to analyze chlorophenoxy acid herbicides in water
samples. The herbicides 2, 4-D (2, 4-dichlorophenoxyacetic acid), Silvex (2, 4, 5 …

Gas chromatograph/mass spectrometer techniques for determination of interferences in pesticide analysis

EJ Bonelli - Analytical Chemistry, 1972 - ACS Publications
The electron capture detector has long been employedin the analysis of chlorinated
hydrocarbon pesticides. Its high sensitivity and excellent selectivity have made it the detector …

Analysis of herbicide residues by gas chromatography

WP Cochrane, R Purkayastha - Toxicological & Environmental …, 1973 - Taylor & Francis
The extraction and clean‐up, and gas Chromatographic conditions for the detection and
determination of herbicides, their metabolites and related compounds are reviewed. The …

Mass spectrometry in environmental organic analysis

D Barcelo - Analytica chimica acta, 1992 - Elsevier
An overview of the use of mass spectrometry in environmental organic analysis is presented.
It includes conventional gas chromatography—mass spectrometry with electron impact and …

Determination of chlorophenoxy and other acidic herbicide residues in ground water by capillary gas chromatography of their alkyl esters formed by rapid …

S Butz, HJ Stan - Journal of Chromatography A, 1993 - Elsevier
A simple method for the determination of several chlorophenoxy acid and other acidic
herbicides as methyl, ethyl and butyl esters by means of capillary gas chromatography is …