غسل وتجفيف الفيلم أو النيكاتيف

Wash and dry the film or negative

the laundry :

After fixing the film, it must be washed well to remove hyposulfite, which can spoil the film. There are several ways to wash the film or films.

It is as follows :

1 - in running water.

2- Change the water several times.
3- quick wash.
Explanation of each method:

1- The offshoot in running water:

The water current should continue with sufficient strength so as not to cause chemical losses to the film, and this process should last from 18 to 20 minutes

2- Fassil by changing the water several times:

The water should be changed 5 to 6 times

Rapid Fuse

This washing removes the hyposulfite that remains on the film and can damage it.

How to install this pipe:

Composed of the following

1 - 6 - 15 drops of 10% of potassium permanganate. 2 - 100 cm water and after that the film should be placed for 2 to 3 minutes in 2% acid

Alanhydr and sulfite

film drying)

The film should be dried at a temperature not exceeding 25°C. Sometimes rapid drying is done by placing the film for a period of 6 or 6 minutes in pure alcohol, after which it dries very quickly. Amateur photography M - 4