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Preferred Term:

pH

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.
Concept Schemes:
https://lod.nal.usda.gov/nalt
NALT Core
Broader Concept:
Narrower Concepts:
Entry Terms:
  • hydrogen ion concentration
URI:
https://lod.nal.usda.gov/nalt/2772
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RDF/XMLCreated 2006-01-19, last modified 2018-10-19