GB549587A - Photographic processing baths - Google Patents
Photographic processing bathsInfo
- Publication number
- GB549587A GB549587A GB909841A GB909841A GB549587A GB 549587 A GB549587 A GB 549587A GB 909841 A GB909841 A GB 909841A GB 909841 A GB909841 A GB 909841A GB 549587 A GB549587 A GB 549587A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- modified
- photographic processing
- sodium acetate
- acetic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 6
- 239000002904 solvent Substances 0.000 abstract 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- -1 potassium ferricyanide Chemical compound 0.000 abstract 2
- 229910052709 silver Inorganic materials 0.000 abstract 2
- 239000004332 silver Substances 0.000 abstract 2
- 239000001632 sodium acetate Substances 0.000 abstract 2
- 235000017281 sodium acetate Nutrition 0.000 abstract 2
- 239000004133 Sodium thiosulphate Substances 0.000 abstract 1
- SOIFLUNRINLCBN-UHFFFAOYSA-N ammonium thiocyanate Chemical compound [NH4+].[S-]C#N SOIFLUNRINLCBN-UHFFFAOYSA-N 0.000 abstract 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract 1
- 239000004327 boric acid Substances 0.000 abstract 1
- YAGKRVSRTSUGEY-UHFFFAOYSA-N ferricyanide Chemical compound [Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] YAGKRVSRTSUGEY-UHFFFAOYSA-N 0.000 abstract 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 abstract 1
- 235000019345 sodium thiosulphate Nutrition 0.000 abstract 1
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/42—Bleach-fixing or agents therefor ; Desilvering processes
- G03C7/421—Additives other than bleaching or fixing agents
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Abstract
549,587. Photographic silver solvent baths. TULL, A. G. July 18, 1941, No. 9098. [Class 98 (ii)] A photographic silver solvent bath contains a soluble ferricyanide and a silver salt solvent acidified by a buffered non-reducing; acid. Modified Farmer's Reducer contains sodium thiosulphate, potassium ferricyanide, acetic acid, and sodium acetate. Modified Haddon's Reducer contains ammonium thiocyanate, potassium ferricyanide, acetic acid and sodium acetate. The acid may also rbe boric acid. Specification 539,509 is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB909841A GB549587A (en) | 1941-07-18 | 1941-07-18 | Photographic processing baths |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB909841A GB549587A (en) | 1941-07-18 | 1941-07-18 | Photographic processing baths |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB549587A true GB549587A (en) | 1942-11-27 |
Family
ID=9865300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB909841A Expired GB549587A (en) | 1941-07-18 | 1941-07-18 | Photographic processing baths |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB549587A (en) |
-
1941
- 1941-07-18 GB GB909841A patent/GB549587A/en not_active Expired
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