Web Darkroom Chem 2014
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Transcript of Web Darkroom Chem 2014
![Page 1: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/1.jpg)
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darkroom chemistry
an introduction to
![Page 2: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/2.jpg)
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sink
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sink
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sink
name:
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sink
name: developer
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sink
name: developer
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sink
name: developer stop bath
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sink
name: developer stop bath
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sink
name: fixerdeveloper stop bath
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sink
name: fixerdeveloper stop bath
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sink
name: fixer waterdeveloper stop bath
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sink
name: fixer waterdeveloper stop bath
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sink
what do I do?
name: fixer waterdeveloper stop bath
![Page 16: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/16.jpg)
8/11/2019 Web Darkroom Chem 2014
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sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
name: fixer waterdeveloper stop bath
![Page 17: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/17.jpg)
8/11/2019 Web Darkroom Chem 2014
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sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
name: fixer waterdeveloper stop bath
![Page 18: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/18.jpg)
8/11/2019 Web Darkroom Chem 2014
http://slidepdf.com/reader/full/web-darkroom-chem-2014 18/34
sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
stabilizes
the image(removes unexposed
silver from the paper)
name: fixer waterdeveloper stop bath
![Page 19: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/19.jpg)
8/11/2019 Web Darkroom Chem 2014
http://slidepdf.com/reader/full/web-darkroom-chem-2014 19/34
sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
stabilizes
the image(removes unexposed
silver from the paper)
cleans the print(washes off all
the chemicals)
name: fixer waterdeveloper stop bath
![Page 20: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/20.jpg)
8/11/2019 Web Darkroom Chem 2014
http://slidepdf.com/reader/full/web-darkroom-chem-2014 20/34
sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
stabilizes
the image(removes unexposed
silver from the paper)
cleans the print(washes off all
the chemicals)
how long?
name: fixer waterdeveloper stop bath
![Page 21: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/21.jpg)
8/11/2019 Web Darkroom Chem 2014
http://slidepdf.com/reader/full/web-darkroom-chem-2014 21/34
sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
stabilizes
the image(removes unexposed
silver from the paper)
cleans the print(washes off all
the chemicals)
how long? 1 1/2 minutes
(90 sec)
name: fixer waterdeveloper stop bath
![Page 22: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/22.jpg)
8/11/2019 Web Darkroom Chem 2014
http://slidepdf.com/reader/full/web-darkroom-chem-2014 22/34
sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
stabilizes
the 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
name: fixer waterdeveloper stop bath
![Page 23: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/23.jpg)
8/11/2019 Web Darkroom Chem 2014
http://slidepdf.com/reader/full/web-darkroom-chem-2014 23/34
sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
stabilizes
the 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 3 minutes
name: fixer waterdeveloper stop bath
![Page 24: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/24.jpg)
8/11/2019 Web Darkroom Chem 2014
http://slidepdf.com/reader/full/web-darkroom-chem-2014 24/34
sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
stabilizes
the 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 3 minutes5 minutes
name: fixer waterdeveloper stop bath
![Page 25: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/25.jpg)
8/11/2019 Web Darkroom Chem 2014
http://slidepdf.com/reader/full/web-darkroom-chem-2014 25/34
sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
stabilizes
the 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 sec 3 minutes5 minutes
name: fixer waterdeveloper stop bath
![Page 26: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/26.jpg)
8/11/2019 Web Darkroom Chem 2014
http://slidepdf.com/reader/full/web-darkroom-chem-2014 26/34
sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
stabilizes
the 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 sec 3 minutes5 minutes
if I am a darkyellowish orangecolor, sort of like
this but not exactly
name: fixer waterdeveloper stop bath
![Page 27: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/27.jpg)
8/11/2019 Web Darkroom Chem 2014
http://slidepdf.com/reader/full/web-darkroom-chem-2014 27/34
sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
stabilizes
the 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 sec 3 minutes5 minutes
if I am a darkyellowish orangecolor, sort of like
this but not exactly
name: fixer waterdeveloper stop bath
![Page 28: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/28.jpg)
8/11/2019 Web Darkroom Chem 2014
http://slidepdf.com/reader/full/web-darkroom-chem-2014 28/34
sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
stabilizes
the 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 sec 3 minutes5 minutes
if I am a dark purple color
if I am a darkyellowish orangecolor, sort of like
this but not exactly
name: fixer waterdeveloper stop bath
![Page 29: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/29.jpg)
8/11/2019 Web Darkroom Chem 2014
http://slidepdf.com/reader/full/web-darkroom-chem-2014 29/34
sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
stabilizes
the 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 sec 3 minutes5 minutes
if I am a dark purple color
if I am a darkyellowish orangecolor, sort of like
this but not exactly
name: fixer waterdeveloper stop bath
![Page 30: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/30.jpg)
8/11/2019 Web Darkroom Chem 2014
http://slidepdf.com/reader/full/web-darkroom-chem-2014 30/34
sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
stabilizes
the 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 sec 3 minutes5 minutes
if I get cloudy whenyou drip hypo check in
if I am a dark purple color
if I am a darkyellowish orangecolor, sort of like
this but not exactly
name: fixer waterdeveloper stop bath
![Page 31: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/31.jpg)
8/11/2019 Web Darkroom Chem 2014
http://slidepdf.com/reader/full/web-darkroom-chem-2014 31/34
sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
stabilizes
the 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 sec 3 minutes5 minutes
if I get cloudy whenyou drip hypo check in
if I am a dark purple color
if I am a darkyellowish orangecolor, sort of like
this but not exactly
name: fixer waterdeveloper stop bath
![Page 32: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/32.jpg)
8/11/2019 Web Darkroom Chem 2014
http://slidepdf.com/reader/full/web-darkroom-chem-2014 32/34
sink
what do I do?develops the paper
(oxidizes silver)(pH 11 or 12 = base)
stops the
developing(low pH = acid,neutralizes the
developer)
stabilizes
the 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 sec 3 minutes5 minutes
N/Aif I get cloudy when
you drip hypo check in
if I am a dark purple color
if I am a darkyellowish orangecolor, sort of like
this but not exactly
name: fixer waterdeveloper stop bath
![Page 33: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/33.jpg)
8/11/2019 Web Darkroom Chem 2014
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![Page 34: Web Darkroom Chem 2014](https://reader030.fdocuments.in/reader030/viewer/2022021323/577cc51e1a28aba7119b5cc4/html5/thumbnails/34.jpg)
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hooray !