Developer D-19 contrast

Technical developer developed by Kodak (domestic analogue - X-Ray-2). It is recommended for X-ray films, aerial and micrography, infrared films. Gives good results when developing overdue and veiled photographic materials. It is suitable for processing general-purpose photographic films, especially if fast processing is required while maintaining high contrast. It is well stored, has a high resource, practically does not give a colored veil.

Preparation

The developer should preferably be prepared with distilled water, but boiled or filtered water is suitable.

1. Dissolve the contents of a small package in 700 ml of water 40-45 °C. The package should be rinsed from the inside with a small amount of warm water and drained into a working solution.

2. After completely dissolving the small package, dissolve the contents of the large one. It is also advisable to rinse a large package with water from the inside.

3. Bring the volume of water to 1 liter and cool the solution to operating temperature. Before use, it is advisable to let the developer infuse for several hours. Filter if necessary.

Processing conditions

Recommended operating temperature is 18-21 °C. Average time: 5-6 min. See summary table on digitaltruth.com

Usage limit

Up to 8-10 "narrow" films of type 135/36 can be processed in 1 liter of developer.

Storage conditions

Store in a dark, cool place. In dry form, the developer is stored for at least 1 year. Working solution - at least 6 months in a tightly closed container filled under the throat. Partially used solution - up to 1 month.