An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

NAL Agricultural Thesaurus
U.S. Department of Agriculture

Concept Breadcrumbs

Fields of Study > chemistry > physicochemical properties > pH
Preferred Term:

pH

Definition:
Medida de la actividad de los iones hidrógeno en solución, expresada mediante una escala que va de 0 (muy ácido) a 14 (muy básico). El pH 7.0 constituye una solución neutra, ni ácida ni básica.
Concept Schemes:
NALT Core
Términos Genéricos:
propiedades fisicoquímicas
Términos Específicos:
Términos Relacionados:
URI:
https://lod.nal.usda.gov/nalt/2772
Download this Concept:
RDF/XMLCreated 2006-01-19, last modified 2018-10-19
Exactly Matching Concepts: