Environment Ontology / 环境本体 - cation exchange capacity

Preferred Name	cation exchange capacity
Synonyms	CEC
Definitions	In soils, these materials include clay and organic matter particles. Soil CEC is measured in millequivalents per 100 grams of soil (meq/100g). A meq is the number of ions which total a specific quantity of electrical charges. Common soil cations include: calcium (Ca++), magnesium (Mg++), potassium (K+), ammonium (NH4+), hydrogen (H+) and sodium (Na+).
ID	http://purl.obolibrary.org/obo/ENVO_06105240
comment	In soils, these materials include clay and organic matter particles. Soil CEC is measured in millequivalents per 100 grams of soil (meq/100g). A meq is the number of ions which total a specific quantity of electrical charges. Common soil cations include: calcium (Ca++), magnesium (Mg++), potassium (K+), ammonium (NH4+), hydrogen (H+) and sodium (Na+).
characteristic of	http://purl.obolibrary.org/obo/ENVO_00010483
contributor	https://orcid.org/0000-0002-4366-3088
creator	https://orcid.org/0000-0002-2627-0696
date	2021-12-22T16:39:01Z
definition	A physical quality which inheres in an environmental material by virtue of the material's ability to adsorb exchangeable cations.
has_exact_synonym	CEC
label	cation exchange capacity
prefixIRI	ENVO:06105240
prefLabel	cation exchange capacity
subClassOf	http://purl.obolibrary.org/obo/PATO_0001018

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