GB687311A - Regeneration of exhausted photographic silver bleaching solutions - Google Patents
Regeneration of exhausted photographic silver bleaching solutionsInfo
- Publication number
- GB687311A GB687311A GB31394/50A GB3139450A GB687311A GB 687311 A GB687311 A GB 687311A GB 31394/50 A GB31394/50 A GB 31394/50A GB 3139450 A GB3139450 A GB 3139450A GB 687311 A GB687311 A GB 687311A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- sodium
- bromide
- exhausted
- bleaching solution
- 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
- 238000004061 bleaching Methods 0.000 title abstract 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title 1
- 230000008929 regeneration Effects 0.000 title 1
- 238000011069 regeneration method Methods 0.000 title 1
- 229910052709 silver Inorganic materials 0.000 title 1
- 239000004332 silver Substances 0.000 title 1
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 abstract 3
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 abstract 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 abstract 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract 2
- PCLIMKBDDGJMGD-UHFFFAOYSA-N N-bromosuccinimide Chemical compound BrN1C(=O)CCC1=O PCLIMKBDDGJMGD-UHFFFAOYSA-N 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- -1 alkali metal ferricyanide Chemical class 0.000 abstract 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 abstract 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 abstract 2
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 abstract 2
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 abstract 2
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical compound NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 abstract 2
- 239000001117 sulphuric acid Substances 0.000 abstract 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract 2
- MARXMDRWROUXMD-UHFFFAOYSA-N 2-bromoisoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(Br)C(=O)C2=C1 MARXMDRWROUXMD-UHFFFAOYSA-N 0.000 abstract 1
- MVZBYZAIKPPGSW-UHFFFAOYSA-N 4-bromobutan-1-amine Chemical compound NCCCCBr MVZBYZAIKPPGSW-UHFFFAOYSA-N 0.000 abstract 1
- PQAAKVCEMOJBLC-UHFFFAOYSA-N 5,5-dibromopentan-1-amine Chemical compound NCCCCC(Br)Br PQAAKVCEMOJBLC-UHFFFAOYSA-N 0.000 abstract 1
- 229920000877 Melamine resin Polymers 0.000 abstract 1
- DWHKTLAVZONVRP-UHFFFAOYSA-N N,3-dibromobenzenesulfonamide Chemical compound BrC=1C=CC=C(C1)S(=O)(=O)NBr DWHKTLAVZONVRP-UHFFFAOYSA-N 0.000 abstract 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 229910001513 alkali metal bromide Inorganic materials 0.000 abstract 1
- 229910000318 alkali metal phosphate Inorganic materials 0.000 abstract 1
- 150000003973 alkyl amines Chemical class 0.000 abstract 1
- 125000003368 amide group Chemical group 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-M bisulphate group Chemical group S([O-])(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 abstract 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052794 bromium Inorganic materials 0.000 abstract 1
- WFAFCTWNIJXVKK-UHFFFAOYSA-N bromourea Chemical compound NC(=O)NBr WFAFCTWNIJXVKK-UHFFFAOYSA-N 0.000 abstract 1
- 239000006172 buffering agent Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 229940061607 dibasic sodium phosphate Drugs 0.000 abstract 1
- 229910000397 disodium phosphate Inorganic materials 0.000 abstract 1
- 235000019800 disodium phosphate Nutrition 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
- TVHALOSDPLTTSR-UHFFFAOYSA-H hexasodium;[oxido-[oxido(phosphonatooxy)phosphoryl]oxyphosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O TVHALOSDPLTTSR-UHFFFAOYSA-H 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- UETZVSHORCDDTH-UHFFFAOYSA-N iron(2+);hexacyanide Chemical compound [Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] UETZVSHORCDDTH-UHFFFAOYSA-N 0.000 abstract 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- IRAHFWCVGNHHDJ-UHFFFAOYSA-N n-bromo-4-methylbenzenesulfonamide;sodium Chemical compound [Na].CC1=CC=C(S(=O)(=O)NBr)C=C1 IRAHFWCVGNHHDJ-UHFFFAOYSA-N 0.000 abstract 1
- VBTQNRFWXBXZQR-UHFFFAOYSA-N n-bromoacetamide Chemical compound CC(=O)NBr VBTQNRFWXBXZQR-UHFFFAOYSA-N 0.000 abstract 1
- FLYWSBDBTKARFZ-UHFFFAOYSA-N n-bromobenzamide Chemical compound BrNC(=O)C1=CC=CC=C1 FLYWSBDBTKARFZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract 1
- 230000001172 regenerating effect Effects 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 abstract 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 abstract 1
- 239000001488 sodium phosphate Substances 0.000 abstract 1
- FDDDEECHVMSUSB-UHFFFAOYSA-N sulfanilamide Chemical compound NC1=CC=C(S(N)(=O)=O)C=C1 FDDDEECHVMSUSB-UHFFFAOYSA-N 0.000 abstract 1
- 229940124530 sulfonamide Drugs 0.000 abstract 1
- AGGKEGLBGGJEBZ-UHFFFAOYSA-N tetramethylenedisulfotetramine Chemical compound C1N(S2(=O)=O)CN3S(=O)(=O)N1CN2C3 AGGKEGLBGGJEBZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000001577 tetrasodium phosphonato phosphate 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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/395—Regeneration of photographic processing agents other than developers; Replenishers therefor
- G03C5/3952—Chemical, mechanical or thermal methods, e.g. oxidation, precipitation, centrifugation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US136146A US2611700A (en) | 1949-12-30 | 1949-12-30 | Regeneration of exhausted silver bleach solutions by means of n-bromo compounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB687311A true GB687311A (en) | 1953-02-11 |
Family
ID=22471516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31394/50A Expired GB687311A (en) | 1949-12-30 | 1950-12-27 | Regeneration of exhausted photographic silver bleaching solutions |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2611700A (enrdf_load_html_response) |
| BE (1) | BE500365A (enrdf_load_html_response) |
| DE (1) | DE873654C (enrdf_load_html_response) |
| FR (1) | FR1034731A (enrdf_load_html_response) |
| GB (1) | GB687311A (enrdf_load_html_response) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2993745A (en) * | 1956-07-27 | 1961-07-25 | Mangels Herold Company Inc | Method of and compositions for bleaching in acid solutions |
| BE567236A (enrdf_load_html_response) * | 1957-05-15 | |||
| BE569085A (enrdf_load_html_response) * | 1957-07-05 | |||
| US2978352A (en) * | 1957-07-25 | 1961-04-04 | Du Pont | Production of triarylmethane colors |
| BE622121A (enrdf_load_html_response) * | 1961-09-06 | |||
| US3256092A (en) * | 1962-03-05 | 1966-06-14 | Gen Aniline & Film Corp | Corrosion inhibitors in bleach solutions |
| US3770437A (en) * | 1972-04-06 | 1973-11-06 | D Brugger | Photographic bleach compositions |
| JPS5143312B2 (enrdf_load_html_response) * | 1972-10-23 | 1976-11-20 | ||
| JPS49117037A (enrdf_load_html_response) * | 1973-03-09 | 1974-11-08 | ||
| US3912514A (en) * | 1973-05-21 | 1975-10-14 | Hunt Chem Corp Philip A | Method of regenerating a spent photographic silver bleach solution |
| JPS5151350A (enrdf_load_html_response) * | 1974-10-30 | 1976-05-06 | Fuji Photo Film Co Ltd |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2515930A (en) * | 1946-05-04 | 1950-07-18 | Pavelle Color Inc | Regeneration of photographic silver bleach solution |
-
0
- BE BE500365D patent/BE500365A/xx unknown
-
1949
- 1949-12-30 US US136146A patent/US2611700A/en not_active Expired - Lifetime
-
1950
- 1950-12-27 GB GB31394/50A patent/GB687311A/en not_active Expired
- 1950-12-30 FR FR1034731D patent/FR1034731A/fr not_active Expired
- 1950-12-31 DE DEG4931A patent/DE873654C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE500365A (enrdf_load_html_response) | |
| FR1034731A (fr) | 1953-07-30 |
| DE873654C (de) | 1953-04-16 |
| US2611700A (en) | 1952-09-23 |
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