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Commodity chemicals (or bulk commodities or bulk chemicals) are a group of chemicals that are made on a very large scale to satisfy global markets. The average prices of commodity chemicals are regularly published in the chemical trade magazines and web sites such as Chemical Week and ICIS .
The International Humic Substances Society was founded in Denver, Colorado, USA, on September 11, 1981 by scientists who saw a need for a society to bring together scientists in the coal, soil, and water with interest in humic substances, and to provide opportunities for them to exchange ideas .
Humic substances account for 50 – 90% of cation exchange capacity in soils. "Humic substances" is an umbrella term covering humic acid, fulvic acid and humin, which differ in solubility. By definition, humic acid (HA) is soluble in water at neutral and alkaline pH, but insoluble at acidic pH < 2. Fulvic acid (FA) is soluble in water at any pH.
Soil consists of both mineral (inorganic) and organic components. The organic components can be subdivided into fractions that are soluble, largely humic acids, and insoluble, the humins. Humins make up about 50% of the organic matter in soil. [1]
Seated alongside team owner Steve Cohen, president of baseball operations David Stearns and agent Scott Boras, Soto said he noticed what the Mets were doing from "the other side" of town.
Apparently "humic substance" is a relatively rarely used term and concept, which refers to compounds present in untreated humus; whereas "humic acid", "fulvic acid" and "humin" are not "humic substances", but compounds derived from humus by chemical treatment. While "humic acid" and "fulvic acid" have indefinite chemical composition, they are ...
National Pizza Week officially runs between January 12 and January 18, and many chains, like CPK, Domino's and Little Caesars, are offering up delicious deals.
A geriatric woman and her associates are terrorizing Lower East Side locals by dumping dozens of pounds of birdseed in a tiny local park, turning the space into a putrid buffet for pigeons and rats.
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