In situ aqueous derivatization as sample preparation technique for gas chromatographic determinations

AMC Ferreira, MEF Laespada, JLP Pavón… - … of Chromatography A, 2013 - Elsevier
The use of derivatization reactions is a common practice in analytical laboratories. Although
in many cases it is tedious and time-consuming, it does offer a good alternative for the …

Instrument intercomparison of glyoxal, methyl glyoxal and NO2 under simulated atmospheric conditions

R Thalman, MT Baeza-Romero, SM Ball… - Atmospheric …, 2015 - amt.copernicus.org
The α-dicarbonyl compounds glyoxal (CHOCHO) and methyl glyoxal (CH 3 C (O) CHO) are
produced in the atmosphere by the oxidation of hydrocarbons and emitted directly from …

DFT outlook of solvent effect on function of nano bioorganic drugs

F Mollaamin, M Monajjemi - Physics and Chemistry of Liquids, 2012 - Taylor & Francis
The different physicochemical properties including energies as well as NQR parameters of β-
carboline and of its synthetic benzodiazepine receptor, N-ethyl-3-carbamoyl-β-carboline …

Characterisation and calibration of active sampling Solid Phase Microextraction applied to sensitive determination of gaseous carbonyls

EG Alvarez, MV Moreno, S Gligorovski, H Wortham… - Talanta, 2012 - Elsevier
A characterisation of a system designed for active sampling of gaseous compounds with
Solid Phase Microextraction (SPME) fibres is described. This form of sampling is useful to …

Improved solid-phase extraction/micellar procedure for the derivatization/preconcentration of benzaldehyde and methyl derivatives from water samples

JM Fernández-Molina, M Silva - Talanta, 2011 - Elsevier
A simple, rapid and sensitive method has been developed for the determination of aromatic
low-molecular mass aldehydes (LMMAs) such as benzaldehyde (BA) and methyl derivatives …

Develo** a Reliable Method for Airborne Aldehydes Monitoring in Confined Spaces in Polluted Environments

J Williams - 2019 - etheses.whiterose.ac.uk
Airborne aldehydes are measured by drawing a volume of air through a cartridge containing
silica coated with 2, 4-dinitrophenylhydrazine (DNPH), which is eluted with a solvent and …

[PDF][PDF] Solid phase microextraction (SPME) compled to gas chromatography-mass spectrometry for bioclinical, environmental and food analysis: theoretical studies …

E Gionfriddo, R Bartolino, B Gabriele, G Sindona - 2013 - dspace.unical.it
The analysis of complex samples consists of several steps typically including sampling,
sample preparation, separation, quantification, statistical evaluation and decision making …

[PDF][PDF] BESTIMMUNG DES FORMALDEHYDGEHALTES IM MENSCHLICHEN URIN: ENTWICKLUNG EINER SCHNELLEN, SELEKTIVEN UND …

A Heinrich - 2012 - elekpub.bib.uni-wuppertal.de
Formaldehyd, die erste Verbindung in der homologen Reihe der aliphatischen Aldehyde, ist
eine janusköpfige Chemikalie. Auf der einen Seite steht sie im Verdacht, kanzerogen …

[ALINTI][C] IMPROVEMENTS IN THE METHODOLOGY OF SOLID PHASE MICROEXTRACTION THAT COULD AID MECHANISM DEVELOPMENT

EG Alvarez, M Vázquez, H Jarvie, M Valcárcel, J Hjorth