any pH. Hymatomelanic acid is part of humic acid that is soluble in ethanol. This definition of humic substances is largely operational. It is rooted in...

humic assemblages (fulvic acids and humic acids), which bind to clay minerals and metal hydroxides. The ability of plants to absorb humic substances with...

dibenzo-α-pyrone chromoproteins (DCPs). Shilajit is composed of 60–80% humic substances such as humic and fulvic acids. Studied by analytical methods, shilajit samples...

The International Humic Substances Society is a scientific society with a focus on research into natural organic matter (NOM) in soil and water. The International...

Other nutrients are also protected in this way from mineralization. Humic substances are classified into three genera based on their solubility in acids...

also known as humic lakes, are lakes that contain high amounts of humic substances and organic acids. The presence of these substances causes the water...

humic acids, and insoluble, the humins. Humins make up about 50% of the organic matter in soil. Due to their very complex molecular structure, humic substances...

Peat contains a substantial amount of organic matter, where humic acid dominates. Humic materials are able to store very large amounts of water, making...

proteins, but include other macromolecules such as DNA, lipids and humic substances. EPSs are the construction material of bacterial settlements and either...

oligomineral water, and has been proven to contain certain components of the "humic substance" group which, it is claimed, gives the water its health benefits. Fiuggi...

proven to co-extract humic substances, so it is still not clear if this "glue effect" comes from glomalin or the other substances that are co-extracted...

have been recognized in the literature which include: Humic substances Nitrogenous substances including amino acids Non-essential chemical elements Inorganic...

and humified organic matter. In Ghabbour, E.A. & Davies, G. (eds.) Humic Substances: Structures, Models and Functions (Special Publication), Royal Society...

term for hypertrophic obstructive cardiomyopathy (HOCM) International Humic Substances Society, a scientific society that seeks to advance knowledge and research...

presence of aromatic cycles in their complex molecular structures. Humic substances dissolved in groundwater can be detected and characterized by spectrofluorimetry...

arsenic's interaction with humic substances is through metal complexes. Potentially, arsenic adsorption could occur as a humic-acid-metal-As bridging ligand...

which microorganisms extract hydrocarbons from the peat and humic acids are formed. The humic acids make the environment more acidic, which slows the rate...

(humic substances) also has a pronounced polydispersed character. It is the case of humic acids and fulvic acids, natural polyelectrolyte substances having...

"live predominantly in mineral-poor, slightly acid water enriched with humic substances". Betta akarensis is a fish that measures 14 cm (5.5 in). Dorsal spines...

Organic soil composition and humus chemistry: Characterization of humic substance systems via physical and chemical methods. How soil development and...

led to soil salination. Use of humic acids may prevent excess salination, especially given excessive irrigation. Humic acids can fix both anions and cations...

Giddings, J. Calvin (1988). "Analysis of Humic Substances Using Flow Field-Flow Fractionation". Aquatic Humic Substances: Influence on Fate and Treatment of...

(ed.). Humic substances in soil and crop sciences: selected readings : proceedings of a symposium cosponsored by the International Humic Substances Society...

to be compared with approximately 8.0 for seawater. Together with humic substances this sometimes causes a bit brownish water colour, especially in the...

and heterogeneous photocatalysis for improving the removal of humic substances in real treated water from Agbô River (Ivory-Coast)". Catalysis Today...

(1840). "Untersuchungen über die Humussubstanzen" [Investigations on humic substances]. J. Prakt. Chem. (in German). 21 (1): 203–240. doi:10.1002/prac.18400210121...

Retrieved 14 June 2018. Requena N, Baca TM, Azcon R (1997). "Evolution of humic substances from unripe compost during incubation with lignolytic or cellulolytic...

in 1990. Stevenson was involved with research using humic chemistry and concepts regarding how humic chemistry interacts with earth metals found within...

assemblage of small organic molecules, collectively called humus or humic substances. The use of these terms, which do not rely on a clear chemical classification...

by groundwater and atmospheric inputs. In addition to soil derived humic substances, terrestrial DOC also includes material leached from plants exported...