Comparison of gas chromatography-mass spectrometry and gas chromatography-tandem mass spectrometry with electron ionization and negative-ion chemical …

R Raina, P Hall - Analytical chemistry insights, 2008 - journals.sagepub.com
A comparison of detection limits of gas chromatography-mass spectrometry (GC-MS) in
selected ion monitoring (SIM) with gas chromatography-tandem mass spectrometry (GC …

ECD-dual-column pesticide method verification by ion trap GC/MS and GC/MS/MS

SM Pyle, AB Marcus, GL Robertson - Environmental science & …, 1998 - ACS Publications
Soil extracts from five Superfund Contract Laboratory Program (CLP) laboratories were
analyzed for organochlorine pesticides using gas chromatographic separation with ion trap …

Atmospheric pressure chemical ionization in gas chromatography-mass spectrometry for the analysis of persistent organic pollutants

J Fang, H Zhao, Y Zhang, M Lu, Z Cai - Trends in Environmental Analytical …, 2020 - Elsevier
Atmospheric pressure chemical ionization (APCI) was primarily applied as the ion source for
liquid chromatography-mass spectrometry (LC–MS). While APCI started to be used in gas …

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 …

Comparison of negative chemical ionization and electron impact ionization in gas chromatography–mass spectrometry of endocrine disrupting pesticides

R Húšková, E Matisová, Ľ Švorc, J Mocák… - … of Chromatography A, 2009 - Elsevier
The study of pesticide residues belonging to endocrine disrupting chemicals (EDCs)(23
analytes of different chemical classes–organochlorines, organophosphates, pyrethroids …

Advantages of atmospheric pressure chemical ionization in gas chromatography tandem mass spectrometry: pyrethroid insecticides as a case study

T Portolés, JGJ Mol, JV Sancho… - Analytical chemistry, 2012 - ACS Publications
Gas chromatography coupled to mass spectrometry (GC/MS) has been extensively applied
for determination of volatile, nonpolar, compounds in many applied fields like food safety …

Comparison of automated on-line solid-phase extraction followed by liquid chromatography–mass spectrometry with atmospheric pressure chemical ionization and …

C Aguilar, I Ferrer, F Borrull, RM Marcé… - … of Chromatography A, 1998 - Elsevier
Atmospheric pressure chemical ionization (APCI) in both positive and negative ionization
modes and particle beam (PB) in electron impact (EI) and chemical ionization in positive …

Choosing between atmospheric pressure chemical ionization and electrospray ionization interfaces for the HPLC/MS analysis of pesticides

EM Thurman, I Ferrer, D Barceló - Analytical chemistry, 2001 - ACS Publications
An evaluation of over 75 pesticides by high-performance liquid chromatography/mass
spectrometry (HPLC/MS) clearly shows that different classes of pesticides are more sensitive …

Comparison of different mass spectrometric approaches coupled to gas chromatography for the analysis of organochlorine pesticides in serum samples

J Fang, Q Wu, Y Zhao, H Zhao, S Xu, Z Cai - Journal of Chromatography B, 2017 - Elsevier
Gas chromatography-triple quadrupole mass spectrometry (GC-QqQMS) was applied for the
determination of eight organochlorine pesticides (OCPs) in human serum. OCPs were …

Analysis of pesticide residues by fast gas chromatography in combination with negative chemical ionization mass spectrometry

R Húšková, E Matisová, S Hrouzková… - Journal of chromatography …, 2009 - Elsevier
A combination of fast GC with narrow-bore column and bench top quadrupole mass
spectrometer (MS) detector in negative chemical ionization (NCI) mode (with methane as …