Term - PH

SWPP Photographic Glossary

Sunday 8th December 2019

Image Competition
Free entry for SWPP members.

PH

The rating of the acid or alkalinity of a solution in a scale from 0 to 14. It's based on the hydrogen ion concentration in a solution. Chemical solutions with higher PH ratings are increasingly alkaline, while lower ones acid. Distilled water is neutral with a PH rating of 7.

Information provided by: SWPP
More Photographic Terms