Results 31 to 40 of about 26,167 (268)
Infrared study of the selective oxidation of toluene and o-xylene on vanadium oxide/TiO2 [PDF]
, 1986 Infrared spectroscopy was used to obtain information on the mechanism of the selective oxidation of toluene and o-xylene over vanadium oxide catalysts. The interaction of these aromatic hydrocarbons and the products benzaldehyde and o-tolualdehyde with ...
Gellings, P.J. +4 more
core +8 more sources
Chemical Composition of Gas- and Aerosol-Phase Products from the Photooxidation of Naphthalene [PDF]
, 2010 The current work focuses on the detailed evolution of the chemical composition of both the gas- and aerosol-phase constituents produced from the OH-initiated photooxidation of naphthalene under low- and high-NO_x conditions.
Chan, A. W. H. +9 more
core +2 more sources
Tikrit Journal of Pure Science, 2023 In this research the polymer which contains aldehyde group [H1] has been prepared by oxidation [H] using the oxidizing agent (Dess Martin Periodinane), [H1] has been dialyzed by ethanol, Schiff bases[H2,H5andH8] compounds have been prepared through the ...
Hamid Mohammed Saleh Al-Jubori
doaj +1 more source
XXXIV.—The absorption spectra of phthalic, iso-phthalic, and terephthalic acids, phthalic anhydride, and phthalimide [PDF]
J. Chem. Soc., Trans., 1907 n ...
Hartley, Walter Noel +1 more
openaire +2 more sources
Synthesis and characterization of polyesters derived from glycerol and phthalic acid
Materials Research, 2007 The production of polyester via polycondensation between glycerol and phthalic acid using dibutyltin dilaurate is reported. Three glycerol:phthalic acid molar ratio used for the bulk polymerization were: 2:2; 2:3 and 2:4.
Danilo Hansen Guimarães +5 more
doaj +1 more source
Synthesis of 6,13-difluoropentacene
Beilstein Journal of Organic Chemistry, 2020 6,13-Difluoropentacene was synthesized from 1,4-difluorobenzene. Friedel–Crafts annulation of the latter with phthalic anhydride and subsequent reduction of the anthraquinone gave 1,4-difluoroanthracene.
Matthias W. Tripp, Ulrich Koert
doaj +1 more source
Open Chemistry, 2020 In this study, the root exudates of wetland plants, Pistia stratiotes, black algae, and Cyperus alternifolius, exposed to six phosphorus concentration gradients (0, 0.2, 1, 5, 10, and 20 mg/L) were characterized.
Duan Xu, Zhao Yang-yi, Zhang Jian-cong
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Synthesis and characterization heterocyclic of compounds derived fromamino pyridine substituted
Tikrit Journal of Pure Science, 2023 In this study, heterocyclic derivatives of imidazole, pyrimidine, benzodiazepine, indole and benzimidazole were synthesized. These new compounds were formed through the condensation reaction between 2-aminopyridinederivative with4-phenylphenacyl bromide,
Shaima Ibrahim Chyad Al-khazraji +1 more
doaj +1 more source
Origins and composition of fine atmospheric carbonaceous aerosol in the Sierra Nevada Mountains, California [PDF]
, 2011 In this paper we report chemically resolved measurements of organic aerosol (OA) and related tracers during the Biosphere Effects on Aerosols and Photochemistry Experiment (BEARPEX) at the Blodgett Forest Research Station, California from 15 August–10 ...
Bench, G. +16 more
core +2 more sources
Asian Journal of Atmospheric Environment, 2009 Saturated n-dicarboxylic acids (C2-C7, C9), unsaturated dicarboxylic acids (maleic, fumaric, phthalic acid), ketocarboxylic acids (pyruvic, glyoxylic acid), and dicarbonyls (glyoxal, methylglyoxal) were determined in size-segregated samples with a high ...
Linfa Bao , Kazuhiko Sakamoto
doaj +1 more source