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PHOTOCHEM Potassium Citrate per 1 kg (05522-1000PP)
Potassium citrate (chemical formula: K₃C₆H₅O₇) is a white, crystalline, water-soluble salt derived from citric acid. It is commonly used in food, pharmaceuticals, and various industrial processes as a buffering and chelating agent. In photography, potassium citrate is mainly used in alternative processes, particularly in platinum and palladium printing. It serves as a developer that helps reduce the metal salts (platinum or palladium) to their metallic form, forming the final image. Potassium citrate developers are known for producing neutral to warm image tones, depending on the paper and metal used. It's valued for its gentle action, which preserves fine detail and allows for a long tonal scale, making it a preferred choice among fine art photographers working with historical printing techniques.
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Today we are offering free freight in Australia on this product.Small items will ship via Australia post. All other products will ship via road freight or local couriers.This is a limited offer and subject to change at any time.
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