SU791032A1 - METHOD OF MANUFACTURING BROMODEURAL PHOTOGRAPHIC NUCLEAR EMULSION - Google Patents
METHOD OF MANUFACTURING BROMODEURAL PHOTOGRAPHIC NUCLEAR EMULSIONInfo
- Publication number
- SU791032A1 SU791032A1 SU2812967/04A SU2812967A SU791032A1 SU 791032 A1 SU791032 A1 SU 791032A1 SU 2812967/04 A SU2812967/04 A SU 2812967/04A SU 2812967 A SU2812967 A SU 2812967A SU 791032 A1 SU791032 A1 SU 791032A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- emulsion
- photographic
- manufacturing
- bromodeural
- nuclear emulsion
- Prior art date
Links
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Способ изготовления бромйодсеребряной фотографической ядерной эмульсии путем эмульсификации, физического созревания, выделения твердой фазы, химического созревания и введения в эмульсию соединения вольфрама, отличающийся тем, что, с целью повышения чувствительности и информативной емкости, снижения уровня зерновой вуали и упрощения технологии изготовления эмульсии, в качестве соединения вольфрама используют вольфрамат натрия, который вводят в эмульсию в виде 50%-ного водного раствора, нейтрализованного лимонной кислотой до рН = 4,8-5,5, в количестве 350-450 мл на 1 л эмульсии.A method of manufacturing silver bromide silver photographic nuclear emulsion by emulsification, physical ripening, separation of the solid phase, chemical ripening and the introduction of a tungsten compound into the emulsion, characterized in that tungsten compounds use sodium tungstate, which is introduced into the emulsion in the form of a 50% aqueous solution, neutralized with citric acid to pH = 4.8-5.5, in the amount of 350-450 ml per 1 liter of the emulsion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2812967/04A SU791032A1 (en) | 1979-08-21 | 1979-08-21 | METHOD OF MANUFACTURING BROMODEURAL PHOTOGRAPHIC NUCLEAR EMULSION |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2812967/04A SU791032A1 (en) | 1979-08-21 | 1979-08-21 | METHOD OF MANUFACTURING BROMODEURAL PHOTOGRAPHIC NUCLEAR EMULSION |
Publications (1)
Publication Number | Publication Date |
---|---|
SU791032A1 true SU791032A1 (en) | 2000-05-20 |
Family
ID=60516968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU2812967/04A SU791032A1 (en) | 1979-08-21 | 1979-08-21 | METHOD OF MANUFACTURING BROMODEURAL PHOTOGRAPHIC NUCLEAR EMULSION |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU791032A1 (en) |
-
1979
- 1979-08-21 SU SU2812967/04A patent/SU791032A1/en active
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