gas chromatography/mass spectrometry
Characterization of commercial synthetic resins by pyrolysis gas chromatography/mass spectrometry : application to modern art and conservation
... resolved mass spectrometry, Py-GC/MS) have been developed without any derivatization, ...by gas chromatography and detected by mass spectrometry with high ...The mass ...
8
Determination of Volatiles in Mouse Urine by Headspace Solid Phase Microextraction and Gas Chromatography Mass Spectrometry
... The extraction and determination of volatile compounds in mice urine were performed using headspace solid-phase microextraction with by gas chromatography- mass spectrometry. In order to ...
9
Analysis of fatty acids methyl esters standardization by the gas chromatography coupled to mass spectrometry technique
... by gas chromatography-mass spectrometry (GC-MS), using electronic (EI) and chemical ionization ...FAME’s mass spectra have [M + 1 ] + as a molecular ion and don’t have common ions; for ...
6
Optimization of a headspace solid phase microextraction and gas chromatography/mass spectrometry procedure for the determination of aromatic amines in water and in polyamide spoons
... and gas chromatography coupled with mass spectrometry (HS-SPME-GC/MS), aniline (A), 4,4’-diaminodiphenylmethane (4,4’-MDA), 2,4-diaminotoluene (2,4- TDA), 3-chloro-4-fluoroaniline (3C4FA), ...
44
Standardization of commercial cinnamon essential oils by gas chromatography-mass spectrometry analysis
... The chemical composition of seven Cinnamomum zeylanicum Blume essential oils traded as spices and me- dicinal items has been determined by gas chromatography-mass spectrometry analysis. ...
12
Gas Chromatography Mass Spectrometry Profiles of Ten Pilea Species (Urticaceae)
... preliminary gas chromatography-mass spectrometry profiles of 10 species, collected by the herbarium of the Universidad del Valle, were performed in gas chromatography-mass ...
10
Determination of PBDEs in human breast adipose tissues by gas chromatography coupled to triple quadrupole mass spectrometry
... of gas chromatography / tandem mass spectrometry with triple quadrupole analyzer for determination of 12 polybrominated diphenyl ethers in human breast tissues has been ...
35
Dealing with the ubiquity of phthalates in the laboratory when determining plasticizers by gas chromatography/mass spectrometry and PARAFAC
... Aside from health concerns, their ubiquity can cause frustration and big trouble when analysing them, especially if trace analyses of phthalates by chromatographic methods are to be carried out [12,13]. ...
44
Determination and quantification of free amino acids in urine samples by gas chromatography - mass spectrometry
... Separation of the different amino acids present in urine samples requires specific techniques, a widely used technique is capillary Gas Chromatography (GC). The main issue with GC is the need to derivatize ...
88
Effect of the cleaning procedure of Tenax on its reuse in the determination of plasticizers after migration by gas chromatography/mass spectrometry
... 7890A gas chromatograph coupled to an Agilent 5975C mass spectrometer detector (Agilent Technologies, Santa Clara, CA, ...The gas chromatograph was equipped with an Agilent HP-5MS Ultra Inert (30 m × ...
40
Analysis of polychlorinated dibenzo p dioxins and dibenzofurans in stack gas emissions by gas chromatography atmospheric pressure chemical ionization triple quadrupole mass spectrometry
... ionization APCI source based method was compared with the high resolution mass.. spectrometry HRMS standard reference method EN1948, for the analysis of.[r] ...
21
Application of gas chromatography time of flight mass spectrometry for target and non target analysis of pesticide residues in fruits and vegetables
... 55 target analytes in different food commodities orange, apple, carrot, tomato and... The developed target methodology has been applied to the analysis of several.[r] ...
26
Assessment of bisphenol A exposure among colombian human subjects
... Bisphenol A (BPA) is mainly used in polymerization for the production of polycarbonate and epoxy resins, which are widely used in bottles, thermal paper and dental resins for human consumption. BPA is considered an ...
29
Desarrollo e implementación de una metodología para la detección de pesticidas organoclorados mediante cromatografía de gases acoplada a espectometría de masas
... Gas chromatography combined with electron capture detector has become a routine technique for organochlorine pesticide ...hand, mass spectrometry provides information on the chemical nature of ...
164
Speciation analysis of organomercurial compounds in fish tissue by capillary gas chromatography coupled to microwave-induced plasma atomic emission detection
... absorption spectrometry (AAS), atomic fluorescence spectrometry (AFS), electrothermal atomization atomic absorption spectrometry (ETAAS), mass spectrometry (MS), inductively-coupled ...
9
Extracción tipo QuEChERS para la determinación de microcontaminantes orgánicos en agua residual mediante cromatografía de líquidos acoplada a espectometría de masas
... (liquid chromatography, LC) y la cromatografía de gases (gas chromatography, GC) acopladas a espectrometría de masas (mass spectrometry, MS) son las técnicas más utilizadas para el ...
69
Analytical strategy based on the combination of gas chromatography coupled to time of flight and hybrid quadrupole time of flight mass analyzers for non target analysis in food packaging
... Atmospheric pressure gas chromatography coupled to quadrupole-time of flight mass spectrometry as a powerful tool for identification of non intentionally added substances in acrylic adhe[r] ...
30
Estratègies analítiques per a la determinació d’antimicrobians en aliments
... resolution mass spectrometry) en el control de residus de medicaments veterinaris en aliments [122], gràcies a l’aparició dels equips moderns amb analitzadors de temps de vol (TOF, de time of flight) o de ...
179
