Buscar
Mostrando ítems 1-10 de 1505
Determination of polycyclic aromatic hydrocarbons and their nitrated and oxygenated derivatives in coffee brews using an efficient cold fiber-solid phase microextraction and gas chromatography mass spectrometry method
(Universidade Federal de Minas GeraisBrasilICX - DEPARTAMENTO DE QUÍMICAUFMG, 2019)
Canonical orbital contributions to the magnetic fields induced by global and local diatropic and paratropic ring currents
(John Wiley and Sons Inc., 2017)
Identification of polycyclic aromatic hydrocarbons and methoxylated phenols in wood smoke emitted during production of charcoal
(Vieweg, 2002-04-01)
More than 130 organic substances in dichloromethane-methanol (4: 1) extracts of particulate matter and the gaseous phase from wood burning for the production of charcoal have been identified by capillary gas chromatography ...
Methodology for the extraction, clean-up and quantification of polycyclic aromatic hydrocarbons in urban particulate matter.
(SOCIEDAD CHILENA DE QUIMICA, 2002-12)
A reliable methodology for identification and quantification of Polycyclic Aromatic Hydrocarbons (PAHs) in atmospheric aerosols has been developed, using extraction with dichloromethane, a clean-up step for purification ...
Identification of polycyclic aromatic hydrocarbons in sugar cane soot by gas chromatography mass spectrometry
(Vieweg, 1997-12-01)
Fly soot samples collected in the sugar cane fields after the process of burning were extracted in a Soxhlet apparatus (methylene chloride:methanol 4:1). The extracts were fractionated on silica gel Sep-Pak cartridges into ...
Analysis of polycyclic aromatic hydrocarbons from food
(Universidade Federal de Minas GeraisBrasilFAR - DEPARTAMENTO DE ALIMENTOSUFMGSpringer, 2017)
Evaluating matrix effects in the analysis of polycyclic aromatic hydrocarbons from food: can these interferences be neglected for isotope dilution?
(Universidade Federal de Minas GeraisBrasilFAR - DEPARTAMENTO DE ALIMENTOSUFMG, 2017)