articleAtmospheric chemistry and physicsMar 6, 2006GOLD OA

Atmospheric HULIS: How humic-like are they? A comprehensive and critical review

EREllen R. GräberYRYinon Rudich

Agricultural Research Organization · Weizmann Institute of Science

Indexed incrossrefdoaj

Abstract

Abstract. 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 terrestrial and aquatic humic and fulvic acids. In light of the interest that this class of atmospheric compounds currently attracts, we comprehensively review HULIS properties, as well as laboratory and field investigations concerning their formation and characterization in atmospheric samples. While sharing some important features such as polyacidic nature, accumulating evidence suggests that atmospheric HULIS differ substantially from terrestrial and aquatic humic substances. Major differences between HULIS and…

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Topics & keywords

Topics
Keywords
  • Chemistry
  • Humic acid
  • Environmental chemistry
  • Atmosphere (unit)
  • Macromolecule
  • Abiotic component
  • Fulvic acid
  • Photochemistry
UN Sustainable Development Goals
  • Life below water
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