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PHSWPP and BPPA Photographic Glossary

Thursday 18th December 2014  




SWPP & BPPA

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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.



 

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