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PHOTOCHEM Sodium Tetraborate(Borax)per 500gm (05542-0500)
Sodium Tetraborate (chemical formula: Na₂B₄O₇·10H₂O), commonly known as borax, is a white, crystalline mineral salt with mild alkaline properties. It is widely used in cleaning products, glassmaking, and chemical formulations. In photography, sodium tetraborate is used as a buffering agent in developer solutions, especially in black-and-white film and paper development. It helps maintain a stable alkaline pH, which is essential for the activity of developing agents like Metol or Hydroquinone. A consistent pH ensures controlled development, good image contrast, and repeatable results. Borax is particularly useful in traditional darkroom chemistry, where precise control over chemical balance is key to producing high-quality photographic prints and negatives.
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