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Characterization of Humic Acid-like Substances Extracted from Atmospheric Falling Dust Using Py-GC-MS
Atmospheric falling dust Humic acid-like substances Py-GC-MS Source
2016/3/28
Humic acid-like substances (HALS) are heterogeneous macromolecules having a range of physicochemical properties and
exhibiting different reactivities in environmental systems. However, to study the H...
Humic-like substances in fresh emissions of rice straw burning and in ambient aerosols in the Pearl River Delta Region, China
Humic-like substances rice straw burning ambient aerosols the Pearl River Delta Region
2010/8/16
HUmic-LIke Substances (HULIS) are an abundant unresolved mixture of organic compounds present in atmospheric samples. Biomass burning (BB) has been recognized as an important primary source of HULIS, ...
Chirality and the origin of atmospheric humic-like substances
Chirality atmospheric humic-like substances origin
2010/2/21
Aerosol water extracts and atmospheric humic-like substances (HULIS) obtained from PM2.5-fraction aerosol samples collected in a rural/continental background environment and in an urban environment in...
Comparison of analytical methods for Humic Like Substances (HULIS) measurements in atmospheric particles
Humic Like Substances HULIS atmospheric particles
2009/8/25
Humic-Like Substances (HULIS) are a major contributor to the organic carbon in atmospheric aerosol. It would be necessary to standardize an analytical method that could be easily and routinely used fo...
Hygroscopic properties of water-soluble matter and humic-like organics in atmospheric fine aerosol
Hygroscopic properties water-soluble matter humic-like organics atmospheric fine aerosol
2009/2/20
Ambient continental-rural fine aerosol (K-puszta, Hungary, PM1.5) was sampled on quartz fibre filters in winter and summer 2001. Water-soluble matter (WSM) was extracted in MilliQ-water, and, in a sec...
The density of humic acids and humic like substances (HULIS) from fresh and aged wood burning and pollution aerosol particles
density of humic acids humic like substances HULIS pollution aerosol particles
2009/1/19
Atmospheric aerosols play significant roles in climatic related phenomena. Size, density and shape of particles affect their fluid-dynamic parameters which in turn dictate their transport and lifecycl...
Phase transitions and hygroscopic growth of aerosol particles containing humic acid and mixtures of humic acid and ammonium sulphate
Phase transitions hygroscopic growth of aerosol particles humic acid ammonium sulphate
2009/1/4
The phase transitions and hygroscopic growth of two humic acid aerosols (Aldrich sodium salt and Leonardite Standard (IHSS)) and their mixtures with ammonium sulphate have been investigated using a co...
Atmospheric HULIS:How humic-like are they? A comprehensive and critical review
Atmospheric HULIS humic-like
2009/1/4
A class of organic molecules extracted from atmospheric aerosol particles and isolated from fog and cloud water has been termed HUmic-LIke Substances (HULIS) due to a certain resemblance to terrestria...
Light induced conversion of nitrogen dioxide into nitrous acid on submicron humic acid aerosol
nitrogen dioxide nitrous acid submicron humic acid aerosol
2008/12/17
The interactions of aerosols consisting of humic acids with gaseous nitrogen dioxide (NO2) were investigated under different light conditions in aerosol flow tube experiments at ambient pressure and t...
How many carboxyl groups does an average molecule of humic-like substances contain?
carboxyl groups humic-like substances
2008/11/24
The carboxyl groups of atmospheric humic-like substances (HULIS) are of special interest because they influence the solubility in water, affect the water activity and surface tension of droplets in th...
Urban-type PM2.5-fraction aerosol samples were collected and samples of pure atmospheric humic-like substances (HULIS) were isolated from them. Atmospheric concentrations of organic carbon (OC), water...