Term - pH scale |
| pH scale | SWPP Photographic Glossary | Friday 19th December 2025 |
|
pH scaleA numerical system running from 0 14 and used to express the alkalinity or acidity of a chemical solution. 7 is neutral. Solutions with a lower pH value are increasingly acidic, and those with a higher pH value are increasingly alkaline
|
|
Information provided by: SWPP |