[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

West et al., 2020 - Google Patents

Molecular composition and the optical properties of brown carbon generated by the ethane flame

West et al., 2020

Document ID
8615901456632925360
Author
West C
Hettiyadura A
Darmody A
Mahamuni G
Davis J
Novosselov I
Laskin A
Publication year
Publication venue
ACS Earth and Space Chemistry

External Links

Snippet

Atmospheric “Brown Carbon”(BrC) is a complex mixture of organic compounds with diverse composition and variability of its light-absorbing properties. BrC formed by incomplete combustion of fossil fuels and biomass has been shown to be an important contributor to the …
Continue reading at pubs.acs.org (other versions)

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infra-red light
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/26Investigating or analysing materials by specific methods not covered by the preceding groups oils; viscous liquids; paints; inks
    • G01N33/28Oils, i.e. hydrocarbon liquids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65Raman scattering
    • G01N21/658Raman scattering enhancement Raman, e.g. surface plasmons
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/48Investigating or analysing materials by specific methods not covered by the preceding groups biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/71Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/62Detectors specially adapted therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036Specially adapted to detect a particular component

Similar Documents

Publication Publication Date Title
West et al. Molecular composition and the optical properties of brown carbon generated by the ethane flame
Saleh et al. The brown–black continuum of light-absorbing combustion aerosols
Lin et al. Comprehensive molecular characterization of atmospheric brown carbon by high resolution mass spectrometry with electrospray and atmospheric pressure photoionization
Lin et al. Molecular characterization of brown carbon in biomass burning aerosol particles
Mahamuni et al. Excitation–emission matrix spectroscopy for analysis of chemical composition of combustion generated particulate matter
Hettiyadura et al. Chemical composition and molecular-specific optical properties of atmospheric brown carbon associated with biomass burning
Song et al. Molecular characterization of water-soluble humic like substances in smoke particles emitted from combustion of biomass materials and coal using ultrahigh-resolution electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry
Pomerantz et al. Laser-based mass spectrometric assessment of asphaltene molecular weight, molecular architecture, and nanoaggregate number
Yu et al. Charring characteristics of atmospheric organic particulate matter in thermal analysis
Antiñolo et al. Connecting the oxidation of soot to its redox cycling abilities
Chow et al. Equivalence of elemental carbon by thermal/optical reflectance and transmittance with different temperature protocols
Desgroux et al. Study of the formation of soot and its precursors in flames using optical diagnostics
Jathar et al. Secondary organic aerosol formation from photo-oxidation of unburned fuel: experimental results and implications for aerosol formation from combustion emissions
Ni et al. Brown carbon in primary and aged coal combustion emission
Malmborg et al. Evolution of in-cylinder diesel engine soot and emission characteristics investigated with online aerosol mass spectrometry
Heringa et al. Time-resolved characterization of primary emissions from residential wood combustion appliances
Liu et al. Heterogeneous reactions of particulate methoxyphenols with NO3 radicals: Kinetics, products, and mechanisms
He et al. Optical properties of secondary organic aerosol produced by photooxidation of naphthalene under NOx condition
Liu et al. Evolution of aerosol optical properties from wood smoke in real atmosphere influenced by burning phase and solar radiation
Miracolo et al. Photo-oxidation of low-volatility organics found in motor vehicle emissions: Production and chemical evolution of organic aerosol mass
Wang et al. Estimating Absorption Ångström Exponent of Black Carbon Aerosol by Coupling Multiwavelength Absorption with Chemical Composition
Liao et al. Secondary organic aerosol formation of fleet vehicle emissions in China: potential seasonality of spatial distributions
Isaacman et al. Heterogeneous OH oxidation of motor oil particles causes selective depletion of branched and less cyclic hydrocarbons
Sumlin et al. Density and homogeneous internal composition of primary brown carbon aerosol
Roth et al. Catalyzed gasoline particulate filters reduce secondary organic aerosol production from gasoline direct injection vehicles