film developing

Question 1

termination of development occurs during the ___ step of developing

Answer 1

stop bath (rinse)

Question 2

___: (10 minutes) removal of the silver halides that werent exposred to radiation or light from the emulsion
- the geletin portion of the emulsion is hardened

Answer 2

fixing

washing occurs after fixing: removal of any additional excess chemicals left from previous steps

Question 3

developing agents are ___ & ___ “ reducting agents for shades of gray

Answer 3

phenidone and hydroquinone

Question 4

what chemical(in the developer) acts as an activator to swell the gelatin

Answer 4

sodium carbonate

activator

Question 5

what chemical(in the developer) acts as a restrainer to prevent chemical attack of unexposed crystals

Answer 5

potassium bromide

restrainer

Question 6

___ chemical (in the developer) acts as a preservative to control oxidation of the film

Answer 6

sodium sulfite

oxidation

Question 7

what solvent (in the developer) is used to dissolve chemicals during development of a film

Answer 7

water

Question 8

___ is an activator in the fixer that neutralizes the developer and stops its action

Answer 8

acetic acid

Question 9

clearing agent in the fixer that removed underdeveloped silver bromide from emulsion

Answer 9

ammonium thiosulfate

Question 10

the hardener in the fixer that stiffens and shrinks the emulsion

Answer 10

potassium alum

Question 11

___ is the preservative in the fixer that maintains the chemical balance

Answer 11

sodium sulfite