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SBI 2012B Ch 4
Quality Management
| Question | Answer |
|---|---|
| What is Synergism? | is the actions of 2 agents working together is greater then the sum of each agent working independently. |
| What are the 2 developer and reducing agents? | Phenidone and Hydroquinone. |
| What does the preservative protect? | the hydroquinone from both aerial and internal oxidation. |
| What does the hardener do? | it controls emulsion swelling and stickiness so the film doesnt stick to the rollers. |
| What is the solution temperature? | developer should be 68-72 degrees F, automatic is 85-105 degrees F. |
| What is solution conentration? | percentage of water versus other chemicals in the sloution. Measured by specfic gravity. |
| Solution pH | 10-11.5 and should not vary more than +/- 0.1 |
| 5 factors of developer activity | soultion temperature, immersion time, solution concentration, type of chemicals used, solution pH |
| What do fixer solutions do? | remove all of the unexposed and undeveloped silver halide crystals from the film; image cleared |
| What is the ANSI and what does it suggest that the amount of hyporetention should not exceeed? | American National Standards Insititute; not to exceed 2 ug/cm^2 |
| What should the washing time be? | at least 50-100% of the developer time |
| What should the temperature of the washing solution be? | 5 degrees below the developer temperature |
| What are the 3 subsystems of the the transport systems? | roller subsystem, transport rack subsystem, drive subsystem |
| What are the rollers in the roller system? | entrance, transport, master |
| What are the types of racks in the transport system? | entrance, vertical/deep, turnaround, crossover |
| What are the drive subsystems? | drive motor, main drive chain, gear reduction mechanism, gears, main drive shaft |
| What does the circulation system do? | ensures complete chemistry mixing, provides uniform temperature, provides the equivalent of agitation performed in manual processing |
| What are the 2 types of replenishment systems? | volume and flood |
| How many amps if the dryer system? | 10 A, results in 60-80% of electrical power going to the processor |
Created by:
diont
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