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Term - PH |
| PH | SWPP Photographic Glossary | Friday 24th September 2021 |
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PHThe 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.
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