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| Titel: |
Humic substances - compounds of still unknown structure: applications in agriculture, industry, environment, and biomedicine |
| Auteur: |
Eladia M. Pena-Mendez Josef Havel Jiri Patocka |
| Verschenen in: |
Journal of applied biomedicine |
| Paginering: | Jaargang 3 (2004) nr. 1 pagina's 13-24 |
| Jaar: |
2004 |
| Inhoud: |
Humic substances as part of humus-soil organic matter are compounds arising from thephysical, chemical and microbiological transformation (humification) of biomolecules. They areimportant because they constitute the most ubiquitous source of non-living organic material thatnature knows. Approximately 80% of the total carbon in terrestrial media and 60% of the carbondissolved in aquatic media are made up of humic substances. Humic substances have importantroles in soil fertility, and are considered to have primal relevance for the stabilization of soilaggregates. They can be divided into three components according to their solubility: humic acids,fulvic acids and humin. Humic acids are the most explored group of humic substances. Beyondtheir relevance for life these substances have industrial applications in the development ofabsorbents to be used at the sources of metal-poisoning. Being natural substances, theirpurification process is cheaper than the synthesis of any other sorbent and, moreover, due to theirhigh operability, they absorb more than the absorbents used to date, such as active charcoals orclays. The specific properties of humic acid products enable their application in industry,agriculture, environmental and biomedicine. |
| Uitgever: |
University of South Bohemia (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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