processing the image Flashcards
the height of the table
29-33 inches from floor
temp and humidity of dark room
68 degrees
40-60%
what can penetrate plastic
scatter radiation
what kind of storage bins for film
metal
wall paint
cream or white
scatter radiation occurs how many feet from xray table
10 feet
what kind of photo imprinting is commonly used
electric or battery operated
photo imprinting works in conjunction with
cassettes
purpose of photo imprinting
ID
R means the right side is
facing the table
the feed tray is
light tight.
developer- what kind of strong environment
strong alkaline environment
what converts latent image to a visible image
developer
hydroquinone helps with
contrast
2 chemicals used in developer
prenidone and hydroquinone
function of developer with silver halide
convert silver halide crystals to a metallic silver
clear away unexposed silver halide crystals.ensure developed image remains in tact
fixer
chemicals in fixer
ammonium thiosulfate
if the film swims too long in the fixer
looks milky white/pink. sepia
preserves the films archival quality
washing and drying
washing and drying helps remove excess
fixer on the film. prevents excess build up
what heat source is dryer
infrared
drying removes __% moisture
85-95%
manual d, f, w times
developer- 4 min
fixer- 8 min
wash- 12 min
automatic processing takes how long
90 sec
thermostats maintain a temperature of __ in the dryer
131 degrees
