darkroom chemistry
TRANSCRIPT
darkroom chemistryan introduction to
sink
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developer
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developer
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stop bath developer
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stop bath developer
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fixer stop bath developer
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fixer stop bath developer
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water fixer stop bath developer
sink
water fixer stop bath developer
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water fixer stop bath developerwhat do I do?
sink
water fixer stop bath developerwhat do I do? develops the paper
(oxidizes silver)(pH 11 or 12 = base)
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)
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)
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)
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?
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)
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
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
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
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
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
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
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
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
hooray !