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Image Processing

  • Developing makes the latent image visible and is the first step in processing. The developing solution consists of the following ingredients:
  • 1. Developer: Elon and Hydroquinone
  • 2. Activator: Sodium carbonate / hydroxide
  • 3. Restrainer: Potassium bromide
  • 4. Preservative: Sodium sulfite
  • 5. Vehicle: Water
  • Requirements of a Dark Room :
  • At least 4 x 5 feet.
  • It must be light-proof.
  • It should be well ventilated.
  • It must have safelighting :
  •   ~ mounted 4 feet above the working table   and processing tanks
  •   ~ 15 watt bulb
  •   ~ orange-red / yellow light
  •   ~ coin test.
  • It should have a thermometer and a timer.
  • It should have suitable thermostat device to   maintain temperature of the solutions.

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