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PHOTOCHEM Potassium Carbonate per 1 kg (05520-1000)
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Potassium carbonate (chemical formula: K₂CO₃) is a white, water-soluble, alkaline salt often appearing as a fine powder or granules. It is used in a wide range of industrial and chemical applications due to its buffering and pH-regulating properties. In photography, potassium carbonate is used as an accelerator and buffering agent in black-and-white film and paper developers. Its role is to maintain an alkaline environment, which is essential for the developing agents (like Metol or hydroquinone) to work effectively. Potassium carbonate is especially favored in fine-grain and high-acutance developers, where it helps produce sharp images with good tonal separation. It is also less prone to causing fog than stronger alkalis, making it ideal for formulas where controlled, even development is desired.
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