Radiography equipment Flashcards
The darkroom - necessary deisgn considerations 1 2 3 4 5
Seperate from the xray room
light proof
Locking device - to prevent entry at critical times
White reflective walls
Floor easily cleaned - spilages of chemicals
The darkroom - benches
1
2
Dry bench
wet bench
The dry and wet bench should be ___________________
as far away from eachother as possible, or seperated by a screen
The darkroom - dry bench
Used for storing x ray film
Storing cassettes
The darkroom - wet bench
used for processing films
washing and drying films
Dry bench - requirements
Cassette storage - upright
Film storage - Upright
far away from wet bench - no splashes
The darkroom - film hangers
Chanenel type
Film slides down the channel
Disadvantadge - chemicals often retained in the channels
The darkroom - film hangers
Clip type
Films are clipped into the hangers.
disadvantadge - clips can be fiddly and can mark the film
Wet bench - requirements
Large enough to house tanks for developer, rinse and fixer
The darkroom - safe lights - colours
RED/ORANGE/BROWN
As per manufactuere
The darkroom - safe lights - direct
light from the safelight is direct at the work bench
The darkroom - safe lights - indirect
light from the safelight is direct at the ceiling/walls to reflect off
The darkroom - safe lights - ____m above work bench
1.20m
The darkroom - Development
Active ingredient in developer
Phenidone-hydroquinone (alkaline)
The darkroom - Development
describe the reduction of silver bromide
The silver bromide is converted to black metalic silver
