Buscar
Mostrando ítems 31-40 de 1500
Polycyclic aromatic hydrocarbons and their molecular diagnostic ratios in urban atmospheric respirable particulate matter
(ELSEVIER SCIENCE INC, 2005-06)
Atmospheric concentrations of polycyclic aromatic hydrocarbons (PAHs) in Santiago de Chile city were evaluated to study particulate PAHs profiles during cold and spring weather periods. Urban atmospheric particulate matter ...
Methodology for the extraction, clean-up and quantification of Polycyclic Aromatic Hydrocarbons in urban particulate matter Metodología para la extracción, fraccionamiento y cuantificación de hidrocarburos aromáticos policíclicos presentes en material par
(2002)
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 ...
Electronic indices from semi-empirical calculations to identify carcinogenic activity of polycyclic aromatic hydrocarbons
(Elsevier Science BvAmsterdamHolanda, 2000)
Polycyclic aromatic hydrocarbons in Brazilian vegetables and fruits
(Elsevier Sci LtdOxfordInglaterra, 2003)
Improved method to assess polycyclic aromatic hydrocarbons in atmospheric gas particles in Belo Horizonte, Brazil
(Universidade Federal de Minas GeraisBrasilFAR - DEPARTAMENTO DE ANÁLISES CLÍNICAS E TOXICOLÓGICASICX - DEPARTAMENTO DE QUÍMICAUFMG, 2017)
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 ...