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NAL Agricultural Thesaurus
U.S. Department of Agriculture

Concept Breadcrumbs

Research, Technology, Methods > chemical substances > chemical compounds > organic compounds > heterocyclic compounds > heterocyclic nitrogen compounds > porphyrins > metalloporphyrins
Research, Technology, Methods > chemical substances > chemical compounds > organic compounds > organic nitrogen compounds > heterocyclic nitrogen compounds > porphyrins > metalloporphyrins
Research, Technology, Methods > chemical substances > chemical compounds > nitrogen compounds > organic nitrogen compounds > heterocyclic nitrogen compounds > porphyrins > metalloporphyrins
Preferred Term:

metalloporphyrins

Definition:
Porphyrins which are combined with a metal ion. The metal is bound equally to all four nitrogen atoms of the pyrrole rings. They possess characteristic absorption spectra which can be utilized for identification or quantitative estimation of porphyrins and porphyrin-bound compounds.
Concept Schemes:
NALT Full
NALT Core
Broader Concept:
porphyrins
Narrower Concepts:
URI:
https://lod.nal.usda.gov/nalt/336044
Download this Concept:
RDF/XMLCreated 2020-02-10, last modified 2020-10-29