JPS55144241A - Bleach-fix bath for color photography and its preparation - Google Patents
Bleach-fix bath for color photography and its preparationInfo
- Publication number
- JPS55144241A JPS55144241A JP5274479A JP5274479A JPS55144241A JP S55144241 A JPS55144241 A JP S55144241A JP 5274479 A JP5274479 A JP 5274479A JP 5274479 A JP5274479 A JP 5274479A JP S55144241 A JPS55144241 A JP S55144241A
- Authority
- JP
- Japan
- Prior art keywords
- bleach
- bath
- fix bath
- salt
- fix
- 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.)
- Pending
Links
- 239000007787 solid Substances 0.000 abstract 3
- 239000007844 bleaching agent Substances 0.000 abstract 2
- 239000011734 sodium Substances 0.000 abstract 2
- 159000000000 sodium salts Chemical class 0.000 abstract 2
- UOMQUZPKALKDCA-UHFFFAOYSA-K 2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxymethyl)amino]acetate;iron(3+) Chemical compound [Fe+3].OC(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UOMQUZPKALKDCA-UHFFFAOYSA-K 0.000 abstract 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- -1 alkali metal salt Chemical class 0.000 abstract 1
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract 1
- XYXNTHIYBIDHGM-UHFFFAOYSA-N ammonium thiosulfate Chemical compound [NH4+].[NH4+].[O-]S([O-])(=O)=S XYXNTHIYBIDHGM-UHFFFAOYSA-N 0.000 abstract 1
- ZETCGWYACBNPIH-UHFFFAOYSA-N azane;sulfurous acid Chemical compound N.OS(O)=O ZETCGWYACBNPIH-UHFFFAOYSA-N 0.000 abstract 1
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 239000000126 substance Substances 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Abstract
PURPOSE:To prepare a bleach-fix bath of high concn. and make unnecessary a harmful substance causing trouble about environmental pollution by feeding solid alkali metal salt of ferric ethylenediaminetetaacetate as a bleaching agent to a bleach-fix bath and adding a specified amount or more of NH4<+>. CONSTITUTION:To a bleach-fix bath are added solid powder or granules of sodium salt of ferric ethylenediaminetetraacetate as a bleaching agent in the form of solid matter or aqueous slurry. In order to maintain the pH of the bath at 6.5 or less a soln. of ammonium thiosulfate, ammonium hydrogensulfite or NH4OH is added so that NH4<+> is contained in an amount not less than 2.5 times as much as the total amount of Na in the above-mentioned sodium salt and Na in other components of the bath. Thus, the salt is thoroughly dissolved in a high concn. of 120g/l or more, and harmful thiocyanate or the like is made unnecessary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5274479A JPS55144241A (en) | 1979-04-28 | 1979-04-28 | Bleach-fix bath for color photography and its preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5274479A JPS55144241A (en) | 1979-04-28 | 1979-04-28 | Bleach-fix bath for color photography and its preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55144241A true JPS55144241A (en) | 1980-11-11 |
Family
ID=12923422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5274479A Pending JPS55144241A (en) | 1979-04-28 | 1979-04-28 | Bleach-fix bath for color photography and its preparation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55144241A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5681842A (en) * | 1979-12-07 | 1981-07-04 | Oriental Shashin Kogyo Kk | Preserving method of bleach-fix bath for color photographic processing |
| EP0147016A2 (en) * | 1983-12-26 | 1985-07-03 | Konica Corporation | Process for processing a silver halide color photographic material (1111119 |
-
1979
- 1979-04-28 JP JP5274479A patent/JPS55144241A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5681842A (en) * | 1979-12-07 | 1981-07-04 | Oriental Shashin Kogyo Kk | Preserving method of bleach-fix bath for color photographic processing |
| JPH0364856B2 (en) * | 1979-12-07 | 1991-10-08 | Oriental Photo Ind Co Ltd | |
| EP0147016A2 (en) * | 1983-12-26 | 1985-07-03 | Konica Corporation | Process for processing a silver halide color photographic material (1111119 |
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