Humic Substances

"Humic Substances" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

MeSH information

Definition | Details | More General Concepts | Related Concepts | More Specific Concepts

Organic matter in a state of advanced decay, after passing through the stages of COMPOST and PEAT and before becoming lignite (COAL). It is composed of a heterogenous mixture of compounds including phenolic radicals and acids that polymerize and are not easily separated nor analyzed. (E.A. Ghabbour & G. Davies, eds. Humic Substances, 2001).

Descriptor ID	D006812
MeSH Number(s)	D02.241.444 D02.455.426.559.389.657.377 D20.721.500
Concept/Terms	Humic Substances Humic Substances Substances, Humic Sodium Huminate Sodium Huminate Huminate, Sodium Humic Acids Humic Acids Acids, Humic

Below are MeSH descriptors whose meaning is more general than "Humic Substances".

Chemicals and Drugs [D]
Organic Chemicals [D02]
Carboxylic Acids [D02.241]
Humic Substances [D02.241.444]
Hydrocarbons [D02.455]
Hydrocarbons, Cyclic [D02.455.426]
Hydrocarbons, Aromatic [D02.455.426.559]
Benzene Derivatives [D02.455.426.559.389]
Phenols [D02.455.426.559.389.657]
Humic Substances [D02.455.426.559.389.657.377]
Complex Mixtures [D20]
Soil [D20.721]
Humic Substances [D20.721.500]

Below are MeSH descriptors whose meaning is more specific than "Humic Substances".

publications

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