PROCESSING.

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Presentation transcript:

PROCESSING

Processing Steps: Wetting Developing Stop bath Fixing Final Rinse Automatic Processing Processing Steps: Wetting Developing Stop bath Fixing Final Rinse

Developer Solution Reducing Agents – Hydroquinone & Phenidone Restrainer- Potassium Bromide Activator-Sodium Hydroxide Hardener- Gluteraldehyde Preservative- Sodium Sulfite

Fixer Solution Hardeners - Aluminum Salts Clearing Agent – Ammonium Thiosulfate Preservative – Sodium Sulfite Activator – Mild Acetic Acid

DENSITY AND CONTRAST Increased developer time and/or temperature will increase radiographic density Increased developer temperature will increase contrast Increased developer time will increase contrast

PROCESSOR SYSTEMS ELECTRICAL TRANSPORT CIRCULATION REPLENISHMENT DRYER

Sensitometry Temperature Replenishment rate PROCESSOR Q.C. Sensitometry Temperature Replenishment rate

Base + Fog Level Speed Contrast SENSITOMETRY Base + Fog Level Speed Contrast