Chemical characterization of oxygenated organic compounds in the gas phase and particle phase using iodide CIMS with FIGAERO in urban air [PDF]
The atmospheric processes under polluted environments involving interactions of anthropogenic pollutants and natural emissions lead to the formation of various and complex secondary products.
C. Ye +34 more
doaj +2 more sources
Structure of Organic Oxygen Compounds of Sulphur
The nature of the sulphur–oxygen bond, the geometry of molecules of the types XYSO, XYSO2, XSOOH, and XSO2OH, and the character of the intramolecular interactions in these compounds are discussed. Apart from the σ-bond between sulphur and oxygen, interaction obviously occurs by means of the 3d-orbital of sulphur and the 2p-orbital of oxygen (2p–3d ...
Yu A Kolesnik, V V Kozlov
semanticscholar +3 more sources
Atmospheric evolution of emissions from a boreal forest fire: the formation of highly functionalized oxygen-, nitrogen-, and sulfur-containing organic compounds [PDF]
Forest fires are major contributors of reactive gas- and particle-phase organic compounds to the atmosphere. We used offline high-resolution tandem mass spectrometry to perform a molecular-level speciation of gas- and particle-phase compounds sampled via
J. C. Ditto +12 more
doaj +1 more source
Impact of biogenic secondary organic aerosol (SOA) loading on the molecular composition of wintertime PM2.5 in urban Tianjin: an insight from Fourier transform ion cyclotron resonance mass spectrometry [PDF]
Biomass burning is one of the key sources of urban aerosols in the North China Plain, especially during winter, when the impact of secondary organic aerosols (SOAs) formed from biogenic volatile organic compounds (BVOCs) is generally considered to be ...
S. Zhong +22 more
doaj +1 more source
A synthetic route to 1,4,6,10-tetraazaadamantanes (TAADs) bearing free and protected amino groups at the bridge N-atoms has been developed via intramolecular cyclotrimerization of C=N units in the corresponding tris(hydrazonoalkyl)amines.
Artem N. Semakin +3 more
doaj +1 more source
Research progress in synthesis and application of siloxane compounds
Chemical reactions based on the characteristics of silicon-oxygen bonds and different conditions are important methods to construct new organic/inorganic siloxane functional materials with very different structures and unique properties, which have ...
CHENG Yu-qiao +5 more
doaj +1 more source
Analysis on Film Forming Mechanism of Chromium-Free Passivation Agent for Aluminum Alloy Wheel Hub [PDF]
In order to study the film forming mechanism of chromium-free passivation film for aluminum alloy wheel hub, the film-forming effect and mechanism of chromium-free chemical conversion film on aluminum alloy automobile wheel hub were studied by ...
CHEN Yingjiao, CHEN Bihong, YAN Liqiang, LI Heng, LIU Wanqing
doaj +1 more source
The direct determination of oxygen in organic compounds [PDF]
Abstract Experience with the Schutze carbon reduction method in the UNTERZAUCHER modification showed (1) an inconveniently high blank value and (2) the necessity of an extra correction in the analysis of substances low in oxygen content (e.g., hydrocarbon oils).
Gouverneur, P. +3 more
openaire +2 more sources
Lewis Acids and Heteropoly Acids in the Synthesis of Organic Peroxides
Organic peroxides are an important class of compounds for organic synthesis, pharmacological chemistry, materials science, and the polymer industry. Here, for the first time, we summarize the main achievements in the synthesis of organic peroxides by the
Ivan A. Yaremenko +5 more
doaj +1 more source

