Potassium Metabisulphite


SKU: potassium-metabisulphite Category:


Potassium Metabisulphite K2S2O5

Used as a preservative in developers
Used in place of sodium sulfite in some developers, particularly in two-solution formulas where the increased acidity of the metabisulfite inhibits oxidation. For acidifying fixing baths.
Used as a clearing agent in platinum palladium printing and in New Chrysotypes

Additional information

Weight N/A

50g, 100g, 250g