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Film processing

  

Film processing in home laboratory.

The  technology of processing of a SVEMA B&W reversal OCH-L-200 200 ASA film.
 [ Processing technology ] [ Prepare solution ] [ Prepare solition ( pictured ) ] [ Film processing ( Pictred ) ] [ SVEMA A2-CH negative ] [ SVEMA OCH-L-200 reversal ]

Orders and questions to olex@a-teleport.com
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Stages of Processing

Duration

(minutes)

Temperature of Solution

1

 First Black and White development

Stated on the film package.

( 4-12 minutes )

20 ± 0.3 șC

2

 Washing

10

15± 5.0 șC

3

 Bleaching

7

19± 1.0 șC

4

 Washing

5

15± 5.0 șC

5

 Clearing bath

7

19± 1.0 șC

6

 Washing

5

15± 5.0 șC

7

 Re-exposure 8600 lux/sec

The exposure is to be made by means of two 100W lamps at the distance of 1 meters from emulsion layer.

1-4

  

8

 Second Black and White development

6

19± 1.0 șC

9

 Washing

1

15± 5.0 șC

10

 Fixing

5

17± 2.0 șC

11

 Washing

20

15± 5.0 șC

12

 Drying  

no more than 35.0 șC
The recipes of processing solutions.
First B&W developing solution Bleaching solution
1. Metol

2. Hydroquinone

3. Sodium sulfitum waterless

4. Potassium bromide

5. Potassium carbon

6. Natrium sulphate waterless

7. Natrium diabrotic (caustic soda)

8. Potassium thiocyanate

9. Watter

2 g

14 g

25 g

2 g

40 g

10g

2g

2.5 g

up to 1 L

 1. Potassium bichromate

2. Sulfuric acid 1,84

3. Water

6g

5 ml

up to 1L
Clearing bath solution
1. Sodium sulfitum waterless

2. Water up to 1 L

 50 gr

up to 1L
Second B&W developer. Fixer.
1. Metol

2. Hydroquinone

3. Sodium sulfitum waterless

4. Potassium carbon

5. Potassium bromide

6. Water

5g

6g

40g

40g

2gup

to 1L

 1. Sodium thiosulfatum

2. metabisulfite of potassium

3. Water

200g

40g

up to 1L