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Processing of color reversal film
ORWOCHROME - Process 9165
(I) Steps of processing.
| |
Steps |
Solution |
Time (minutes) |
Temperature (șC) |
| 1 |
Black-and-White Development |
ORWOCOLOR 07 |
5-12 |
25 ±0.25 |
| 2 |
Rinse |
|
1 |
12-15 |
| 3 |
Stop Bath |
ORWOCOLOR 37 |
2 |
23-25 |
| 4 |
Rinse |
|
5 |
12-15 |
| 5 |
Re-exposure |
|
2-5 |
- |
| 6 |
Color Developement |
ORWOCOLOR 17 |
10-12 |
25 ±0.25 |
| 7 |
Rinse |
|
20 |
12-15 |
| 8 |
Bleach |
ORWOCOLOR 50/2 |
5 |
23-25 |
| 9 |
Rinse |
|
5 |
12-15 |
| 10 |
Fixing |
ORWOCOLOR 71 |
5 |
23-25 |
| 11 |
Rinse |
|
15 |
12-15 |
| 12 |
Wetting Agent |
R905* (1+200) |
0.5 |
23-25 |
| 13 |
Drying |
|
- |
max. 40 |
(II) Formulas
ORWOCOLOR 07 - Black-and-White
Developer
1.
Sodium hexametaphosphate ....................... 2.0 g
2.
Sodium sulfite .......................................... 40.0 g
3.
Sodium tetraborate .................................. 15.0 g
4.
Hydroquinone ........................................... 4.5 g
5.
Fenidone ................................................. 0.25 g
6.
Potassium carbonate ................................ 30.0 g
7.
Potassium bromide .................................... 2.0 g
8.
Potassium thiocyanate ................................ 2.0 g
9.
Potassium iodide .................................... 0.007 g
10.
Water to make ........................................... 1 L
pH = 10.0-10.2
ORWOCOLOR 37 -Stop
Solution
1.
Sodium acetate ........................................ 15.0 g
2.
Acetic acid, glacial ................................... 25 mL
3.
Water to make ............................................. 1 L
pH = 4.0-4.4
ORWOCOLOR 17 - Color
Developer
1.
Sodium hexametaphosphate .......................... 3.0 g
2.
Hydroxylamine sulfate ................................... 1.5 g
3.
N,N-diethyl p-phenylene diamine sulfate**..... 4.0 g
4.
Potassium carbonate ................................... 75.0 g
5.
Sodium sulfite ............................................... 3.0 g
6.
Potassium bromide ........................................ 2.0 g
7.
Water to make ................................................ 1 L
pH = 10.8-11.0
ORWOCOLOR 50/2 - Bleaching Solution
1.
Potassium ferricyanide ................................. 65.0 g
2.
Potassium bromide ...................................... 25.0 g
3.
Sodium thiocyanate ...................................... 27.0 g
4.
Acetic acid, glacial ...................................... 3-7 mL
5.Water to make .................................................. 1 L
pH = 5.2 ± 0.2
ORWOCOLOR 71 - Fixing
Solution
1.
Sodium thiosulfate, anhydrous ................... 128.0 g
2.
Water to make ............................................... 1 L
pH = 7.5 ± 0.3
ORWOCOLOR 73 - Fixing Solution
1.
Sodium thiosulfate, anhydrous .................. 120.0 g
2.
Ammonium chloride ................................... 80.0 g
3.
Water to make ............................................... 1 L
Notes:
* R905 wetting agent is
manufactured by Calbe Chemie under the name of Calbe F905 Netzmittel.
** The color developing agent
N,N-diethyl p-phenylene diamine sulfate is a phenylenediamine
derivative:
(III) Consulted documents:
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