Abstract: A method of processing a silver halide-containing photosensitive material for color photography includes the silver-removing step in which silver which is formed by reduction in the color developing step is oxidized by a bleaching agent and further changed into a soluble silver complex by the action of a fixing agent. In this process, bleaching is carried out in both a bleaching bath and a bleach-fixing bath, and fixing is effected in the bleach-fixing bath. In the bleach-fixing bath, a stream of bleach-fixing solution is brought into contact with the emulsion coating surface of the color photosensitive material at a higher flow velocity than that of a stream of bleach-fixing solution which is circulated in the bath.

Abstract: A method for processing a silver halide color photographic light-sensitive material by subjecting an exposed silver halide color photographic light-sensitive material to color development, then to bleaching and fixing or then to bleach-fixing, which method comprises using a ferric ion complex salt as a bleaching agent in the bleaching or bleach-fixing and incorporating at least one compound represented by general formula (I) described below or a salt thereof: ##STR1## wherein R.sup.1 and R.sup.2 each represents a hydrogen atom, a hydroxy group, a substituted or unsubstituted amino group, a carboxy group, a sulfo group or a substituted or unsubstituted alkyl group; R.sup.3 and R.sup.4 each represents a hydrogen atom, a substituted or unsubstituted alkyl group or a substituted or unsubstituted acyl group or R.sup.3 and R.sup.

Abstract: A silver halide photographic material is described, comprising a support having provided thereon at least one silver halide photographic emulsion layer and comprising a bleach accelerator-releasing coupler, wherein said bleach accelerator-releasing coupler is represented by formula (I)A--(TIME).sub.n --S--X--(Y).sub.m --(Z)l]a (I)wherein A represents a coupler residual group; TIME represents a timing group; n represents 0 or 1; X represents a cyclic aliphatic group or a saturated heterocyclic group; Y represents an aliphatic group having from 1 to 8 carbon atoms which may contain a group of --O--, a group of --S--, a group of --COO--, a group of --CO--, a group of ##STR1## a group of ##STR2## a group of --SO.sub.2 --or a group of ##STR3## in its chain; m represents an integer of from 0 to 3, and when m represents 2 or more, the two or more Y groups may be the same or different; Z represents a group of --OH, a group of --COOM, a group of --SO.sub.

Abstract: In a process for development, fixing, and washing or stabilization of a silver halide photographic light-sensitive material by means of an automatic developing machine, is provided, which process comprises supplying to a developing bath and/or a fixing bath a concentrated developing solution and/or a concentrated solution having a fixing capacity, respectively, and water which has been treated by at least one antifungal means selected from the group consisting of irradiation with ultraviolet rays, irradiation with magnetic fields, processing with ion exchange resins, and incorporation of at least one compound selected from the group consisting of aminopolycarboxylic acids and phosphonic acids. In a preferred embodiment, the amount of wash water or stabilizing sollution to be refilled is 3 l or less (including 0 l) per 1 m.sup.2 of light-sensitive material, and the water processed by antifungal means contained in the stock tank is also used as the wash water or stabilizing solution.

Abstract: A color image-forming process is disclosed, which comprises imagewise exposing a silver halide color photographic material comprising a support having thereon at least one light-sensitive layer containing at least one coupler capable of forming a dye upon a reaction with an oxidation product of an aromatic primary amine color developing agent and a silver halide emulsion spectrally sensitized with a dye represented by the following general formula (I), (II) or (III), substantially excluding silver iodide, and containing about 80 mol % or more silver chloride, processing the exposed photographic material with a color developer, then processing it with a solution having a pH of not more than about 6.5 and having a bleaching ability within about 75 seconds: ##STR1## wherein the symbols have the meanings described hereinafter. A silver halide color photographic material to be processed in accordance with the method described above is also disclosed.

Abstract: Method of preparing a hologram which is of the silver halide in gelatin binder type, which method comprises exposing, developing and bleaching the holographic material, where a water-soluble halide and a ferric salt of an acetic acid derivative are used in the bleach bath.

Abstract: A method of storing a liquid color developer and a liquid bleach-fixer in a container made of plastic material having an oxygen permeation coefficient of 0 to 50 m/(m.sup.2 atm day) at temperatures of 20.degree. C. and relative humidity of 60%. The developer contains an aromatic primary amine color developing agent; a hydroxylamine of the formula ##STR1## wherein R.sup.1 and R.sup.2 are hydrogen or alkyl having 1 to 3 carbon atoms, provided that at least one of R.sup.1 and R.sup.2 is an unsubstituted alkyl group having 1 to 3 carbon atoms and that R.sup.1 and R.sup.2 may be combined with each other to form a ring; and an alkaline ingredient for adjusting the pH of the developer to not less than 9.5. The bleach-fixer contains a ferric aminopolycarboxylate, 0 to 1.times.10.sup.-3 mols per liter of an aminopolycarboxylic acid based on the total bleach-fixer, a thiosulfate, and 1.times.10.sup.-3 to 2.times.10.sup.-1 mol per liter of said liquid bleach-fixer of a sulfite.

Abstract: This invention provides a processing method for exposed silver halide color photosensitive materials, which enables sufficient desilverization to be performed in a short time and highly photographic quality to be obtained. The processing method of this invention comprises the steps of: exposing silver halide color photosensitive material containing 5-pyrazolone-type or pyrazoloazole-type 2-equivalent magenta coupler to light; color developing said photosensitive material; and desilverizing said photosensitive material, wherein said desilverizing step uses a bleaching bath containing ferric complex salt aminopolycarboxylate, and thereafter uses a bleaching-and-fixing bath containing ferric complex salt aminopolycarboxylate.

Abstract: A method for treating a silver halide color photographic material comprising color developing an exposed silver halide color photographic material and treating it with a treating solution having bleaching power containing at least one ferric complex salt of an organic chelating compound represented by the formula (X-1): ##STR1## wherein W.degree. represents an alkylene group containing a thioether bond; Y.sup.1, Y.sup.2, Y.sup.3 and Y.sup.4 each independently represents a methylene group or an ethylene group; and Z.sup.1, Z.sup.2, Z.sup.3 and Z.sup.4 each independently represents a carboxyl group, a phosphono group, a sulfo group, or a hydroxyl group.

Abstract: A silver halide color photographic material comprising a support having thereon at least one photographic emulsion layer containing tabular silver halide grains having an average aspect ratio of 5 or more and the silver halide color photographic material containing at least one compound represented by formula (I) ##STR1## wherein R.sub.1 and R.sub.2 each represents a hydrogen atom, an alkyl group or an acyl group provided that both R.sub.1 and R.sub.2 do not represent hydrogen atoms at the same time, or R.sub.1 and R.sub.2 form a ring; and r represents an integer of from 1 to 3.The silver halide color photographic material can be bleached in a short period of time using a bleaching agent having a weak bleaching ability which meets requirements of preventing environmental pollution.A method for processing the silver halide color photographic material by subjecting to color development, then to treatment with a bath having a bleaching ability is also disclosed.

Abstract: A bleaching composition for color photographic materials consists essentially of an aqueous solution containing a complex of ferric ion and an aminopolycarboxylic acid or salt thereof; a mercapto-substituted 5-membered heterocyclic nitrogen compound having at least two nitrogen atoms; and a vinyl pyrrolidone polymer selected from the group consisting of poly-N-vinyl pyrrolidone and an alkyl-substituted poly-N-vinyl pyrrolidone.Use of the novel bleaching composition in the bleaching process for color photographic materials results in a substantial reduction in bleaching time while preventing the formation of a precipitate during the process. Further, use of the bleaching composition and process permits a significant reduction in the amounts of bleaching agent and other components of the bleaching solution required where the bleaching time is not critical which results in a substantial cost reduction.

Abstract: A method for processing a silver halide color photographic material is disclosed, wherein a washing bath is replenished with water in an amount of from 2 to 50 times the volume of the preceding bath which is carried over with the photographic material into the washing bath per unit area of the photographic material to be processed, and washing in the washing bath is carried out in the presence of at least one compound represented by formula (I): ##STR1## wherein A represents a n-valent aliphatic, aromatic or heterocyclic linking group, wherein when n is 1, A represents a monovalent aliphatic, aromatic, or heterocyclic group, or a hydrogen atom; X represents --O--, --S--, or ##STR2## R.sup.1 and R.sup.2 each represents substituted or unsubstituted lower alkyl group; R.sup.3 represents a lower alkylene group; R.sup.4 represents a lower alkyl group; or R.sup.1 and R.sup.2, R.sup.1 and A, R.sup.1 and R.sup.3, R.sup.2 and A, or R.sup.2 and R.sup.

Abstract: A method of processing silver halide color photographic materials which comprises image-wise exposing said silver halide color photographic materials, color developing and then desilvering them in a bath having bleaching ability, characterized in that the bath having bleaching ability comprises two baths, the oxidation-reduction potential of the first bath being higher than that of the second bath, the oxidation-reduction potential of the second bath falling in the range of +60 mV to -60 mV, the first bath containing a water-soluble bromide in an amount of 0.5 to 1.3 mole/l, and the second bath containing a water-soluble bromide in an amount of 0 to 0.5 mole/l.

Abstract: A color image-forming process is described, for a silver halide color photographic material comprising a support having provided thereon at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer, and at least one blue-sensitive silver halide emulsion layer, which process comprises incorporating in the photographic material a yellow dye represented by formula (I) and processing the photographic material using a bleach-fixing solution containing a ferric complex of aminopolycarboxylic acid and a thiosulfate ##STR1## wherein R.sub.1 and R.sub.2 each represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a hydroxy group, a carboxy group, a substituted amino group, a carbamoyl group, a sulfamoyl group, a nitro group or an alkoxycarbonyl group;R.sub.3 and R.sub.

Abstract: A method for color image formation is disclosed, comprising imagewise exposing to light a silver halide color photographic material having a silver halide emulsion layer containing monodispersed silver halide grains, subjecting the exposed material to color development, and processing the material with a bath primarily having bleaching capacity and then with a bath having bleach-fixing capacity. The method realizes acceleration of desilvering to reduce the processing time.

Abstract: The present invention, relates to a method for the bleaching-fixation processing of silver halide color photographic materials. The present invention provides for sufficient desilvering in a short period of time without deterioration of the photographic characteristic of the materials as processed while minimizing the amount of replenisher which is used. Accordingly, the present invention is a method for the processing of silver halide color photographic materials wherein, after the color-development, the material is processed by bleaching-fixation with at least two continuous bleaching-fixation baths to which a replenisher is fed in a countercurrent system, wherein the total bleaching-fixation processing time in the bleaching-fixation step is to be 0.37 minutes or more per g/m.sup.2 of the silver amount coated on the material and wherein the processing time in the first bleaching-fixation bath is to be 45% or less of the total bleaching-fixation processing time.

Abstract: A process for processing a silver halide color photographic material is described, comprising developing an imagewise exposed light-sensitive material and then bleach-fixing it, wherein the light-sensitive material contains at least one sensitizing dye selected from three particular types of sensitizing dye compounds, and a bleach-fixing solution contains iodide ions in an amount exceeding 1.2.times.10.sup.-3 gram ion per liter of solution.

Abstract: A method of preparing a hologram which comprises subjecting holographic material to a holographic exposure, the holographic material comprising silver halide emulsion of which at least 80% by weight of the halide is bromide, developing the exposed material in a silver halide developing solution to yield developed silver, converting the developed silver to silver chloride using a bleaching agent selected from ferric ions, persulphate ions, chlorate ions, peroxides and water-soluble quinones, in the presence of chloride ions and then fixing out the silver chloride using a silver halide fixing agent which dissolves silver chloride but not silver bromide or silver iodobromide under the conditions of use.

Abstract: A quick desilvering process of silver halide color photographic materials is provided, wherein the total amount of coated silver is 5.2 g/m.sup.2 or less, an average iodide content in the whole light-sensitive silver halide grains is 5.5 mol % or less; and a 2-equivalent magenta polymer coupler is included as a magenta coupler, and bleach-fixing treatment, or bleaching treatment at a pH of 5.5 or less, or desilvering treatment in the presence of a specific desilvering accelerator is carried out. Silver halide color photographic materials which permit the quick desilvering are also provided. These contain a specific desilvering accelerator.

Abstract: A method for the processing of photographic elements includes a bleach-fixing step utilizing a bleach-fixing composition comprising an aqueous alkaline solution of a peroxy compound and an ammonium or amine salt of a weak acid.

Abstract: A method for the processing of a silver halide color photographic element comprising imagewise exposing the element, color developing the exposed element, followed by de-silvering, characterized in that the de-silvering step comprises processing the developed element in a bleaching bath containing an aminopolycarboxylic acid ferric ion complex salt and subsequently in a blixing bath containing an aminopolycarboxylic acid ferric ion complex salt and a fixing agent.

Abstract: Fast acting and ecologically advantageous compositions for the bleach-fixing of photographic elements are comprised of an aqueous alkaline solution of a peroxy compound and an ammonium or amine salt of a weak acid.

Abstract: Disclosed is a color forming method which comprises subjecting a light-sensitive silver halide color photographic material having a photographic constituent layer comprising blue-sensitive, green-sensitive and red-sensitive silver halide emulsion layers on a support and having a total thickness of the photographic constituent layer of 25 .mu.m or less to imagewise exposure, then carrying out color developing processing of the exposed material in the presence of a dye forming coupler and processing the developed image with a bleach-fixing solution.The color forming method of the present invention enables rapid processing of a high sensitivity color light-sensitive material.

Abstract: A method for forming an image in a silver halide color photographic light-sensitive material comprising developing an imagewise exposed silver halide color photographic light-sensitive material and then bleach fixing the silver halide color photographic light-sensitive material in a bleach fixing bath, the silver halide photographic color light sensitive material comprising a support having thereon a silver halide emulsion layer containing a yellow coupler, a silver halide emulsion layer containing a magenta coupler and a silver halide emulsion layer containing a cyan layer, wherein the silver halide emulsion layer containing the magneta coupler contains at least one kind of pyrazoloazole type coupler represented by the general formula (I): ##STR1## wherein R.sup.

Abstract: An image-forming process is disclosed, which comprises exposing a silver halide color photographic material comprising a support having provided thereon at least one silver halide emulsion layer containing tabular silver halide grains having a diameter-to-thickness ratio of 5 or more, subjecting the exposed photographic material to color development processing, then processing the photographic material in a bath mainly having a bleaching ability and successively in a bath having a bleach-fixing ability.

Abstract: A method for processing a silver halide color photographic material by subjecting a light-exposed silver halide color photographic material to a color development and then subjecting it to bleach processing and fix processing or to blix processing, which comprises performing said bleach processing or blix processing using a bleach bath or a blix bath containing a ferric ion complex salt as a bleaching agent, said bleach bath or blix bath, or a prebath for said bath containing at least one of compounds represented by the following general formula (I) or (II); ##STR1## wherein, X represents a hydrogen atom, ##STR2## Y.sup..crclbar. represents an anion; Q represents an atomic group necessary for forming a quaternary nitrogen-containing unsaturated heterocyclic ring; n represents an integer of 1 to 5; R.sup.1, R.sup.2, R.sup.6 and R.sup.8, which may be the same or different, each represents a hydrogen atom or a lower alkyl group; R.sup.3, R.sup.4 and R.sup.

Abstract: Disclosed is a bleaching solution or bleach-fixing solution for a light-sensitive silver halide photographic material, which comprises an oxidizing agent comprising a diethylenetriaminepentaacetic acid iron (III) complex salt, and at least one metal ion selected from the group consisting of nickel, cobalt, zinc, cerium, ruthenium, yttrium, samarium, magnesium, calcium, bismuth, strontium, manganese, aluminum, tin, barium, indium, thallium and zirconium. In another embodiment, the solution may further contain a chelating agent other than diethylenetriaminepentaacetic acid.

Abstract: A method for processing a color photographic light-sensitive material by subjecting an exposed silver halide color photographic light-sensitive material to color development, then to bleaching and fixing or then to bleach-fixing, which method comprises using a ferric ion complex salt as a bleaching agent in the bleaching or bleach-fixing and incorporating at least one compound represented by general formula (I) described below or a tautomer thereof: ##STR1## wherein all the symbols are defined in the appended claims, in a bleaching bath or bleach-fixing bath or in a prebath of the bleach-fixing bath. The method of the present invention does not produce poisonous materials which are harmful to the environment and provides an excellent high speed bleaching process without harming other photographic properties.

Abstract: A method for processing a color photographic light-sensitive material by subjecting an exposed silver halide color photographic light-sensitive material to color development processing then to bleaching processing and fixing processing or to bleach-fixing processing, which process comprises using a ferric ion complex salt or a persulfate as a bleaching agent in the bleaching processing or bleach-fixing processing and incorporating a compound represented by the general formula (I) described below or a salt thereof in a bath of the bleaching processing or bleach-fixing processing or in a pre-bath thereof. ##STR1## wherein R.sup.1 and R.sup.2, which may be the same or different, each represents a hydrogen atom or a lower alkyl group; X represents a --NH.sup.3 R.sup.4 group, a --COOM group, a --SO.sub.3 M group or a hydroxy group; R.sup.3 and R.sup.4, which may be the same or different, each represents a hydrogen atom or a substituted or unsubstituted alkyl group or R.sup.3 and R.sup.

Abstract: Disclosed is a bleach-fixing solution for light-sensitive silver halide color photographic material, comprising a diethylenetriamine pentaacetic acid iron (III) complex salt and having a pH value of 4.0 or higher. Also disclosed is a method for processing a light-sensitive silver halide color photographic material, which comprises processing a light-sensitive silver halide color photographic material containing a cyan coupler by the use of the above bleach-fixing solution.

Abstract: A method of color photographic processing is disclosed. The method comprises color developing an exposed silver halide color photographic light-sensitive material and thereafter carrying out a bleach treatment and a fix treatment or a bleach-fix treatment, wherein the bleaching agent used for the bleach treatment or the bleach-fix treatment is a ferric ion complex salt or a persulfate and the bleaching bath or the bleach-fixing bath or a pre-bath therefor contains at least one compound represented by the following formula (I): ##STR1## wherein all the symbols are defined in the specification. A prevention of pollution problems and an acceleration of bleaching action without deterioration of photographic properties can be attained by this method.

Abstract: A bleach-fix sheet for use in color photographic processes comprises a support having thereon a bleach-fix layer and a water reservoir layer comprising a water-supplying polymer. In a preferred embodiment, the bleach-fix sheet is useful to bleach and fix a retained image in a color image diffusion transfer process.

Abstract: The disclosed invention is a means for preventing the reduction of color density caused by the formation of leuco compounds from cyan dyes when processing color photographic materials with a bleach solution or a blix solution containing benzyl alcohol. The invention involves incorporating the compound shown by the following formula (I) in the bleach solution or blix solution: ##STR1## wherein X represents a hydrogen atom or an acetyl group; R represents an aryl group; and R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, each represents a hydrogen atom, an alkyl group or an aryl group.

Abstract: A process for the production of photographic color images by the silver dye bleach process, by exposure, silver development, dye formation, dye bleach, silver bleach and fixing of a photographic material which, in a light-sensitive silver halide emulsion layer or in an adjacent layer, contains, dispersed in oil, an oil-soluble triazene of the formula ##STR1## and an oil-soluble coupling component of the formula ##STR2## in which Ar.sub.1 is aryl or an aromatic heterocyclic radical, R.sub.1 is hydrogen, alkyl, aryl, hydroxyl, --(CH.sub.2 CH.sub.2 O).sub.r --L.sub.1 or --OL.sub.1, in which L.sub.1 is alkyl and r is 1, 2 or 3, or R.sub.1 is ##STR3## in which V is hydrogen or alkyl, and R.sub.2 is alkyl, aryl or --(CH.sub.2 CH.sub.2 O).sub.r --L.sub.1, or R.sub.1 and R.sub.2, conjointly with the nitrogen atom to which they are bonded, form a ring, A.sub.1 and A.sub.2 independently of one another are an amine of the formula --NT.sub.1 T.sub.2, in which T.sub.1 and T.sub.

Abstract: A method for processing a color photographic light-sensitive material is disclosed. The process envolves providing an exposed silver halide color photographic light-sensitive material and subjecting the material to a color development processing. During the processing after development processing the material is brought into contact with a compound represented by the general formulae (I-a) or (I-b) in a bath of a bleaching or bleach-fixing processing or in a pre-bath thereof. ##STR1## wherein A represents an amino group which is optionally substituted or a nitrogen-containing hetero ring residue which may be optionally substituted, R.sup.1 represents a hydrogen atom or a carboxy group, R.sup.2 represents a monovalent metal atom, an ammonium group, an optionally substituted alkyl group or a group represented by ##STR2## R.sup.3 and R.sup.4 each represents a hydrogen atom or an alkyl group which may be substituted by a hydroxy group, an alkoxy group, a halogen atom, a carboxyl group, --SO.sub.2 H, --SO.sub.

Abstract: A process for the production of photographic color images by the silver dye bleach process, by exposure, silver development, dye formation, dye bleach, silver bleach and fixing of a photographic material which, in a light-sensitive silver halide emulsion layer or in an adjacent layer, contains, dispersed in oil, an oil-soluble triazene of the formula ##STR1## and an oil-soluble coupling component of the formula ##STR2## in which Ar.sub.1 is aryl or an aromatic heterocyclic radical, R.sub.1 is hydrogen, alkyl, aryl, hydroxyl, --(CH.sub.2 CH.sub.2 O).sub.r --L.sub.1 or --OL.sub.1, in which L.sub.1 is alkyl and r is 1, 2 or 3, or R.sub.1 is ##STR3## in which V is hydrogen or alkyl, and R.sub.2 is alkyl, aryl or --(CH.sub.2 CH.sub.2 O).sub.r --L.sub.1, or R.sub.1 and R.sub.2, conjointly with the nitrogen atom to which they are bonded, form a ring, A.sub.1 and A.sub.2 independently of one another are an amine of the formula --NT.sub.1 T.sub.2, in which T.sub.1 and T.sub.

Abstract: A method for processing exposed and developed photographic silver dye-bleach materials, in which the exposed and developed material is treated with aqueous bleaching preparations which contain (a) an acid component, (b) a silver complexing agent, (c) one or more bleach catalysts, (d) optionally an antioxidant, (e) optionally a water-soluble oxidizing agent and (f) optionally a bleaching accelerator.A water-soluble and as a rule solid adduct of an acid amide or a lactam and a strong mineral acid is used as acid component (a).

Abstract: A color image forming process which comprises processing a photographic light-sensitive element comprising a support having thereon a layer containing imagewise distributed silver therein with an aqueous alkaline solution containing a stannous ion and in the presence of a dye and a bispyridinium compound represented by the following general formula: ##STR1## wherein R.sub.1 and R.sub.2 each represents a lower aliphatic hydrocarbon group or R.sub.1 and R.sub.2 are bonded each other to form a ring; n represents 0 or 1; and X.sup.- represents an anion; to bleach the dye in an imagewise manner. By the process of the present invention, color images which are stable to light, heat and moisture are formed using light-sensitive elements containing a reduced amount of silver salt and without using chemicals causing environmental pollution problems for the processing.

Abstract: Photographic silver halide bleach compositions which are more active than existing bleach compositions and free from environmental and commercial objections thereto comprise as bleaching agent a ferric complex of an alkyliminodiacetic acid the alkyl group of which may be substituted. The bleach solutions may further comprise a silver halide solvent thus rendering them bleach-fix solutions.

Abstract: A bleaching composition having strengthened oxidizing power and which markedly reduces color stains is described, which contains as essential components: (1) an organic acid-iron (III) complex salt; (2) an alkali metal or an ammonium salt of bromic acid; (3) a water-soluble halogenide; (4) at least one compound selected from the group consisting of the compounds having the formula (I) or (II)X--R.sup.1).sub.n COOM (I) ##STR1## wherein X represents COOM or an amino group, with M representing hydrogen, an alkali metal ion or ammonium ion; R.sup.1 represents a divalent aliphatic group containing 1 to 4 carbon atoms which may be substituted with hydroxy groups, amino groups and/or carboxy group; n is 0 or 1; and R.sup.2 and R.sup.3 may be the same or different from each other, and each represents an amino group, an acylamino group, an alkyl group, an alkenyl group, a phenyl group, or a 5-membered or a 6-membered heterocyclic group, or R.sup.2 and R.sup.

Abstract: A bleach-fix sheet for use in color photographic processes comprises a support having thereon a bleaching agent, a fixing agent and a hardened hydrophilic binder. In a preferred embodiment, the bleach-fix sheet is useful to bleach and fix a retained image in a color image diffusion transfer unit.

Abstract: A method which comprises processing an imagewise exposed and color developed silver halide color photographic material with a solution containing a ferric ion complex, a bromate and a water-soluble chloride is disclosed.

Abstract: This invention relates to the recovering of metallic silver from photographical bleach-fix baths. An electric current is passed through a bleach-fix solution containing silver ions and ferric ions, which solution has been brought to a predetermined redox potential by the addition of a reducing agent. The cathode is of the type wherein reduced silver ions can deposit thereon as metallic silver. The redox potential of the electrolyte solution is continuously monitored and a reducing agent is added automatically when the redox potential rises above a predetermined level. When the redox potential drops below a predetermined level the addition of the reducing agent is automatically stopped.