darkroom chemistry

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darkroom chemistry an introduction to

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Page 1: Darkroom Chemistry

darkroom chemistryan introduction to

Page 2: Darkroom Chemistry
Page 3: Darkroom Chemistry
Page 4: Darkroom Chemistry

sink

Page 5: Darkroom Chemistry

sink

Page 6: Darkroom Chemistry

sink

developer

Page 7: Darkroom Chemistry

sink

developer

Page 8: Darkroom Chemistry

sink

stop bath developer

Page 9: Darkroom Chemistry

sink

stop bath developer

Page 10: Darkroom Chemistry

sink

fixer stop bath developer

Page 11: Darkroom Chemistry

sink

fixer stop bath developer

Page 12: Darkroom Chemistry

sink

water fixer stop bath developer

Page 13: Darkroom Chemistry

sink

water fixer stop bath developer

Page 14: Darkroom Chemistry

sink

water fixer stop bath developerwhat do I do?

Page 15: Darkroom Chemistry

sink

water fixer stop bath developerwhat do I do? develops the paper

(oxidizes silver)(pH 11 or 12 = base)

Page 16: Darkroom Chemistry

sink

water fixer stop bath developerwhat do I do? develops the paper

(oxidizes silver)(pH 11 or 12 = base)

stops thedeveloping(low pH = acid, neutralizes the

developer)

Page 17: Darkroom Chemistry

sink

water fixer stop bath developerwhat do I do? develops the paper

(oxidizes silver)(pH 11 or 12 = base)

stops thedeveloping(low pH = acid, neutralizes the

developer)

stabilizesthe image

(removes unexposed silver from the paper)

Page 18: Darkroom Chemistry

sink

water fixer stop bath developerwhat do I do? develops the paper

(oxidizes silver)(pH 11 or 12 = base)

stops thedeveloping(low pH = acid, neutralizes the

developer)

stabilizesthe image

(removes unexposed silver from the paper)

cleans the print(washes off all the chemicals)

Page 19: Darkroom Chemistry

sink

water fixer stop bath developerwhat do I do? develops the paper

(oxidizes silver)(pH 11 or 12 = base)

stops thedeveloping(low pH = acid, neutralizes the

developer)

stabilizesthe image

(removes unexposed silver from the paper)

cleans the print(washes off all the chemicals)

how long?

Page 20: Darkroom Chemistry

sink

water fixer stop bath developerwhat do I do? develops the paper

(oxidizes silver)(pH 11 or 12 = base)

stops thedeveloping(low pH = acid, neutralizes the

developer)

stabilizesthe image

(removes unexposed silver from the paper)

cleans the print(washes off all the chemicals)

how long? 1 1/2 minutes(90 sec)

Page 21: Darkroom Chemistry

sink

water fixer stop bath developerwhat do I do? develops the paper

(oxidizes silver)(pH 11 or 12 = base)

stops thedeveloping(low pH = acid, neutralizes the

developer)

stabilizesthe image

(removes unexposed silver from the paper)

cleans the print(washes off all the chemicals)

how long? 1 1/2 minutes(90 sec)30 sec

Page 22: Darkroom Chemistry

sink

water fixer stop bath developerwhat do I do? develops the paper

(oxidizes silver)(pH 11 or 12 = base)

stops thedeveloping(low pH = acid, neutralizes the

developer)

stabilizesthe image

(removes unexposed silver from the paper)

cleans the print(washes off all the chemicals)

how long? 1 1/2 minutes(90 sec)30 sec5 minutes

Page 23: Darkroom Chemistry

sink

water fixer stop bath developerwhat do I do? develops the paper

(oxidizes silver)(pH 11 or 12 = base)

stops thedeveloping(low pH = acid, neutralizes the

developer)

stabilizesthe image

(removes unexposed silver from the paper)

cleans the print(washes off all the chemicals)

how long? 1 1/2 minutes(90 sec)30 sec5 minutes5 minutes

Page 24: Darkroom Chemistry

sink

water fixer stop bath developerwhat do I do? develops the paper

(oxidizes silver)(pH 11 or 12 = base)

stops thedeveloping(low pH = acid, neutralizes the

developer)

stabilizesthe image

(removes unexposed silver from the paper)

cleans the print(washes off all the chemicals)

how long?

I should be replaced when...

1 1/2 minutes(90 sec)30 sec5 minutes5 minutes

Page 25: Darkroom Chemistry

sink

water fixer stop bath developerwhat do I do? develops the paper

(oxidizes silver)(pH 11 or 12 = base)

stops thedeveloping(low pH = acid, neutralizes the

developer)

stabilizesthe image

(removes unexposed silver from the paper)

cleans the print(washes off all the chemicals)

how long?

I should be replaced when...

1 1/2 minutes(90 sec)30 sec5 minutes5 minutes

if I am a brown color

Page 26: Darkroom Chemistry

sink

water fixer stop bath developerwhat do I do? develops the paper

(oxidizes silver)(pH 11 or 12 = base)

stops thedeveloping(low pH = acid, neutralizes the

developer)

stabilizesthe image

(removes unexposed silver from the paper)

cleans the print(washes off all the chemicals)

how long?

I should be replaced when...

1 1/2 minutes(90 sec)30 sec5 minutes5 minutes

if I am a darkpurple color if I am a brown color

Page 27: Darkroom Chemistry

sink

water fixer stop bath developerwhat do I do? develops the paper

(oxidizes silver)(pH 11 or 12 = base)

stops thedeveloping(low pH = acid, neutralizes the

developer)

stabilizesthe image

(removes unexposed silver from the paper)

cleans the print(washes off all the chemicals)

how long?

I should be replaced when...

1 1/2 minutes(90 sec)30 sec5 minutes5 minutes

if I get cloudy whenyou drip hypo check in

if I am a darkpurple color if I am a brown color

Page 28: Darkroom Chemistry

sink

water fixer stop bath developerwhat do I do? develops the paper

(oxidizes silver)(pH 11 or 12 = base)

stops thedeveloping(low pH = acid, neutralizes the

developer)

stabilizesthe image

(removes unexposed silver from the paper)

cleans the print(washes off all the chemicals)

how long?

I should be replaced when...

1 1/2 minutes(90 sec)30 sec5 minutes5 minutes

N/A if I get cloudy whenyou drip hypo check in

if I am a darkpurple color if I am a brown color

Page 29: Darkroom Chemistry
Page 30: Darkroom Chemistry

hooray !