Term - Preservative

Preservative SWPP Photographic Glossary

Monday 8th December 2025  

Award-winning digital fine art & photo inkjet papers, inks, canvases and accessories.



SWPP

Glossary
 

Image Competition
Free entry for SWPP members.

Membership
Free Information Pack

Qualifications - An Overview

Preservative

The chemical, commonly sodium sulfite, used in developing solutions to prevent rapid oxidation of the reducing agents in use.



 

Information provided by: SWPP
More Photographic Terms

Contact SWPP

Trustpilot


Update cookies preferences