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Analytical study on ethephon residue determination in water by ion-pairing liquid chromatography/tandem mass spectrometry
(Taylor & Francis, 2011-11-22)
A detailed analytical study on ethephon residue determination in water, making use of ion-pairing liquid chromatography coupled to electrospray tandem mass spectrometry (LC/MS/MS), has been carried out. Ethephon is a plant ...
Multi-residue determination of 130 multiclass pesticides in fruits and vegetables by gas chromatography coupled to triple quadrupole tandem mass spectrometry
(Springer Verlag, 2010)
A multi-residue method has been developed and validated for the simultaneous quantification and confirmation of around 130 multiclass pesticides in orange, nectarine and spinach samples by GC-MS/MS with triple quadrupole ...
Rapid wide-scope screening of drugs of abuse, prescription drugs with potential for abuse and their metabolites in influent and effluent urban wastewater by ultrahigh pressure liquid chromatography–quadrupole-time-of-flight-mass spectrometry
(Elsevier, 2011-01-17)
This work illustrates the potential of hybrid quadrupole-time-of-flight mass spectrometry (QTOF MS) coupled to ultrahigh pressure liquid chromatography (UHPLC) to investigate the presence of drugs of abuse in wastewater. ...
Investigation of organophosphate esters in fresh water, salt and brine samples by GC-TOF MS
(Royal Society of Chemistry, 2011-06-23)
Advanced analytical methodology based on gas chromatography coupled to a high resolution time-of-flight mass analyzer (GC-TOF MS) is proposed for investigation of organophosphate esters (OPEs) in environmental water, marine ...
Simultaneous determination of acidic, neutral and basic pharmaceuticals in urban wastewater by ultra high-pressure liquid chromatography-tandem mass spectrometry
(Elsevier, 2010)
In this work, an ultra high-pressure liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method has been developed for the simultaneous quantification and confirmation of the 20 most consumed pharmaceuticals in ...
Fragmentation pathways of drugs of abuse and their metabolites based on QTOF MS/MS and MSE accurate-mass spectra
(John Wiley, 2011-09)
A study of the fragmentation pathways of several classes of drugs of abuse (cannabinoids, ketamine, amphetamine and amphetamine-type stimulants (ATS), cocaine and opiates) and their related substances has been made. The ...
An Initial Approach to the Presence of Pharmaceuticals in Wastewater from Hospitals in Colombia and Their Environmental Risk
(MDPI, 2022-03-18)
Hospital wastewater (HWW) from three different cities in Colombia was characterized.
Wastewater quality indicators and 38 relevant pharmaceuticals were examined. The HWW had pH
from 6.82 to 8.06, chemical oxygen demand ...
Gas chromatography-mass spectrometric determination of polybrominated diphenyl ethers in complex fatty matrices from aquaculture activities
(Elsevier, 2010)
Gas chromatography coupled to mass spectrometry in negative chemical ionization mode (GC-(NCI)MS) has been applied to the quantification and reliable identification of polybrominated diphenyl ethers (PBDEs) in animal and ...
Multiclass determination of 66 organic micropollutants in environmental water samples by fast gas chromatography–mass spectrometry
(Springer, 2012-03)
A multiresidue method has been developed for quantification and identification of 66 multiclass priority organic pollutants in water by fast gas chromatography (GC) coupled to mass spectrometry (MS). Capabilities and ...
Characterization of the organic contamination pattern of a hyper-saline ecosystem by rapid screening using gas chromatography coupled to high-resolution time-of-flight mass spectrometry
(Elsevier, 2012-09)
In this paper, gas chromatography coupled to high-resolution time-of-flight mass spectrometry (GC–TOF MS) has been applied to evaluate organic pollution in a hyper-saline aquatic environment. Firstly, a target screening ...