Search Results - "Carvalho, L.R.F."

An artifact in air carbonyls sampling using C18 DNPH-coated cartridge by PIRES, M, CARVALHO, L. R. F

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Monitoring of the ultrasonic irradiation effect on the extraction of airborne particulate matter by ion chromatography by Carvalho, L.R.F., Souza, S.R., Martinis, B.S., Korn, M.

“…The action of ultrasonic waves in liquids can induce or accelerate chemical reactions of the liquids and/or substances dissolved. A study on ultrasonic…”
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Measurements of polycyclic aromatic hydrocarbons in airborne particles from the metropolitan area of São Paulo City, Brazil by Vasconcellos, Pérola C., Zacarias, Davi, Pires, Maria A.F., Pool, Cristina S., Carvalho, Lilian R.F.

“…Polycyclic aromatic hydrocarbons (PAHs) from phenanthrene to benzo[g,h,i]perylene in airborne particles were measured in the winter of 2000 at three different…”
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An artifact in air carbonyls sampling using C 18 DNPH-coated cartridge by Pires, M, Carvalho, L.R.F

“…A sampling artifact is observed when collecting carbonyl compounds in ambient air using 2,4-dinitrophenylhydrazine (DNPH)-coated C 18 cartridges. While lower…”
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Multi-parametric evaluation of the chemical ultrasonic irradiation effects in a heterogeneous metal-water system by Souza, S.R., Korn, M., De Carvalho, L.R.F., Korn, M.G.A., Tavares, M.F.M.

“…Sonochemical degradation of a metal in aqueous solution with ultrasound has been studied. Chemical effects in the heterogeneous system were evaluated and…”
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Polar organic matter in airborne particles: chemical characterization and mutagenic activity by Gundel, Lara A, Dalsey, Joan M, de Carvalho, Lilian R. F, Kado, Norman Y, Schuetzle, Dennis

“…Polar organic extracts of inhalable airborne particles are characterized by determining elemental and ionic composition, chemical classes and mutagenic…”
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