المواد الخاصة التي تضاف الى الماء الغسيل الأواني .. كتاب التصوير للهواة

Special substances that are added to the water for washing utensils:

1 - potassium carbonate.

hyposulfite -

They should be placed inside the jar for 10 to 12 hours, then emptied

solution and washed with water well

Means of preventing eternal yellowing or coloring: 1 The leather glove must be worn

2- Vaseline should be lightly applied to the hand and removed after work and finished
Installing a solution for developing films (white - black) of all kinds

( An other way ) .

- The appearance :

1 - Mitol

2- Hydroquinone. 12 gr

Sodium sulfite. 45-50 gr

Sodium carbonate. 80 gr

e - potassium bromine

B - position:

Acetic acid 28 (to curb appearance)

H - Installer:

Sodium hypo sulfite 250 g Sodium metabisulfite 25 g or sodium sulfite

comments :

To prepare the appearance, the previous materials are dissolved with 500-600 cm 3 of water at 30-40 degrees Celsius. The solution is carried out according to the previous arrangement. The next material is not added until the first is completely dissolved, and then the volume is completed to a liter.
The stage of stopping with acetic acid can be dispensed with, provided that the sensitive film or paper is quickly transferred after washing it with water to the stabilizer, and the paper can be transferred from the developer to the stabilizer directly without washing

3 - The duration of display is 3 minutes, at 17-24 degrees Celsius, and the fixation period is 5-6 minutes

4- The stabilizer is prepared by dissolving the two salts in 500-600 cm 3 water at 30-40 degrees Celsius, in order, and then adding to a liter.