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humic acid

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humic acid

A heteropolymeric mixture of organic molecules from biodegradable humis, peat and soil.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

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.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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References in periodicals archive
It also indicated that fulvic acid improves growth performance and intestinal health condition of loach, indicates that fulvic acid could be used as an immunoenhancer in loach culture (Gao et al., 2017).
The Fourier transform infrared spectra of humic and fulvic acids were read in the range of 4000-400 [cm.sup.-1] in KBr pellets, using a Fourier transform infrared spectrometer FTIR Spectrum 1000.
van Rensburg, "Carbohydrate-derived fulvic acid (CHD-FA) inhibits carrageenan-induced inflammation and enhances wound healing: efficacy and toxicity study in rats," Drug Development Research, vol.
(2005) reported a temperature trend for the yield of fulvic acids (FA) and humic acids (HA) extracted from wood BC pyrolysed in the range 300-550[degrees]C.
Concentration of all the elements was estimated from fulvic acid samples digested in 0.1M nitric acid by using Perkin Elmer Atomic Absorption Spectrophotometer Analyst 800.
Fulvic acids, are often more mobile evenly distributed in the three horizons against humic acids registers a decrease with depth.
Fine Fractionation and Purification of the Fulvic Acid Fraction Using Adsorption and Precipitation Procedures.
Extraction of fulvic acid. Coal was collected from Lakhra coal reserves located near Jamshoro district of Sindh province of Pakistan.
London, United Kingdom, April 07, 2014 --(PR.com)-- Fulhold Pharma Plc., a global biotechnology company, focused on producing its patented Carbohydrate Derived Fulvic Acid (CHD-FA[TM]), announces that it plans to conduct an initial public offering of its ordinary shares.
and Masini, J.C.: 2006, Removal of fulvic acid from aqueous media by adsorption onto modified vermiculite.
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