humic acid


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Related to humic acid: fulvic acid

humic acid

A heteropolymeric mixture of organic molecules from biodegradable humis, peat and soil.

humic acid

the precipitate resulting from the addition of acid to a solution of HUMUS. Black in colour, it is insoluble in acids and organic solvents.
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Barton DHR, Schnitzer M (1963) A new experimental approach to the humic acid problem.
Recent advances in the application of [sup.13]C and [sup.15]N NMR spectroscopy to soil organic matter studies
It may be shown by the arguments that follow that fulvic and humic acid fractions and hence these 2 products differ markedly in the average distance between nearest neighbour acidic groups in a molecule.
The use of Ca-modified, brown-coal-derived humates and fulvates for treatment of soil acidity
If compared on a weight basis, ferrihydrite, charcoal, and humic acid absorbed similar amounts of Ag at both equilibrium times; goethite adsorbed only 10% (after 4 days) and 20% (after 4 months) of the Ag that was adsorbed by ferrihydrite (Table 1).
Silver ion desorption kinetics from iron oxides and soil organic matter: effect of adsorption period
Explore Report Description with Detailed TOC on "Global Humic Acid Market" at: https://www.
Global Humic Acid Market is Expected to Grow With 13% CAGR During 2015 - 2020
The effect of humic acid on the toxicity and bioavailability of trivalent chromium.
Addition of a worm leachate as source of humic substances in the drinking water of broiler chickens
In the carbon biogeochemical cycle the transformation of living organic matter into the refractory part of organic matter (humic substances such as humic acids, fulvic acids, and humin) or humification is of key importance.
Peat humic acid properties and factors influencing their variability in a temperate bog ecosystem/Turba huumushapete omadused ja nende varieerumist mojutavad tegurid
Bongiovanni MD, Lobartini JC (2006) Particulate organic matter, carbohydrate, humic acid contents in soil macro- and microaggregates as affected by cultivation.
Effect of long-term cultivation on soil organic carbon fractions and metal distribution in humic and fulvic acid in black soil, Northeast China
First we formed them by traditional methods and then we tried one of our river sediment humic acids.
New Evidence for Natural Synthesis of Silver Nanoparticles
Conducted during the spring 2010 flu season, the trial found that subjects treated with humic acid showed a 107% improvement in their flu-related symptom scores.
Humic acid may alleviate flu-related symptoms
Bimodal effect of humic acids on the LPS-induced TNF-alpha release from differentiated U937 cells.
Chemical properties of peat in three peatlands with balneological potential in Estonia/Kolme balneoloogilise potentsiaaliga Eesti turbaala turba keemilised omadused
Feng X J, Simpson AJ, Simpson MJ (2005) Chemical and mineralogical controls on humic acid sorption to clay mineral surfaces.
Formation of organo-mineral complexes as affected by particle size, ph, and dry-wet cycles
Substances of humic acid type prevent U937 cells from heat-induced arachidonic acid release.
Bimodal effect of humic acids on the LPS-induced TNF-[alpha] release from differentiated U937 cells

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