HUMIC ACIDS
\hjˈuːmɪk ˈasɪdz], \hjˈuːmɪk ˈasɪdz], \h_j_ˈuː_m_ɪ_k ˈa_s_ɪ_d_z]\
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Allomelanins found in soils, coals, and peat, resulting from the decomposition of organic matter, particularly dead plants. They are a mixture of complex macromolecules having polymeric phenolic structures with the ability to chelate metals, especially iron. (Merck Index, 11th ed)
By DataStellar Co., Ltd
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.