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NALT Core

Preferred term

pH

Type

Topic

Definition

A measure of the hydrogen-ion activity in solution, expressed on a scale 0 (highly acid) to 14 (highly basic); 7.0 pH is a neutral solution, neither acid nor basic.
Source: Schwarz, Charles F.; Thor, Edward C.; Elsner, Gary H. 1976. Wildland planning glossary. Gen. Tech. Rep. PSW-13. Berkeley, Calif.: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station
Type: Concept definition

Broader concept

physicochemical properties

Narrower concepts

Related concepts

Synonyms

hydrogen ion concentration

In other languages

pH

Spanish

URI

https://lod.nal.usda.gov/nalt/2772

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RDF/XML TURTLE JSON-LD Created 1/19/06, last modified 10/19/18