GB455611A - Improvements in or relating to bleaching and germicidal compositions and processes of using the same - Google Patents

Improvements in or relating to bleaching and germicidal compositions and processes of using the same

Info

Publication number
GB455611A
GB455611A GB12071/35A GB1207135A GB455611A GB 455611 A GB455611 A GB 455611A GB 12071/35 A GB12071/35 A GB 12071/35A GB 1207135 A GB1207135 A GB 1207135A GB 455611 A GB455611 A GB 455611A
Authority
GB
United Kingdom
Prior art keywords
calcium
bleaching
metal
hypochlorite
sodium
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
Application number
GB12071/35A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Solvay Solutions UK Ltd
Original Assignee
Albright and Wilson Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Albright and Wilson Ltd filed Critical Albright and Wilson Ltd
Publication of GB455611A publication Critical patent/GB455611A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/22—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients stabilising the active ingredients
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs

Abstract

Bleaching-solutions for laundering or bleaching fabrics and clothes are prepared from a mixture of a bleaching compound of a metal of the second group in the periodic classification and a sufficient quantity of a water-soluble alkali-metal or ammonium metaphosphate to prevent precipitation of the second group metal when the mixture is dissolved. Alkaline detergents may also be added. The mixtures may be prepared as powders or tablets, or as ready-made solutions. The quantity of metaphosphate employed may vary according to the hardness of the water used, but preferably should be at least 8 times the weight of the metal of the bleaching compound. Metaphosphates referred to are those of sodium, lithium and ammonium, and may be hexa-, tetra-, tri- or di-metaphosphates. The bleaching compounds may be hypochlorite of calcium, barium or strontium, peroxide of calcium or barium, perborate of calcium, magnesium, zinc or cadmium, or bisulphite of calcium. Alkaline detergents specified are carbonate, orthosilicate, metasilicate, hydroxide, aluminate and metaborate of sodium, trisodium phosphate and borax. A preferred mixture consists of a high grade calcium hypochlorite containing about 70 to 75 per cent of calcium hypochlorite, 15 to 20 per cent sodium chloride and about 10 per cent of the chlorate, hydroxide and chloride of calcium, mixed with three times its weight of sodium hexametaphosphate (Graham's salt). If the hypochlorite be replaced by ordinary chloride of lime a much larger proportion of the metaphosphate is required. Specifications 408,708 and 434,599 are referred to.ALSO:Bleaching and germicidal solutions for cleaning dairy equipment, bottles and the like, and for laundering or bleaching fabrics and clothes, are prepared from a mixture of a bleaching or germicidal compound of a metal of the second group in the periodic classification and a sufficient quantity of a water-soluble alkali-metal or ammonium metaphosphate to prevent precipitation of the second group metal when the mixture is dissolved. Alkaline detergents may also be added. The mixtures may be prepared as powders or tablets, or as ready-made solutions. The quantity of metaphosphate employed may vary according to the hardness of the water used, but preferably should be at least 8 times the weight of the metal of the bleaching or germicidal compound. Metaphosphates referred to are those of sodium, lithium and ammonium, and may be hexa-, tetra-, tri- or di-metaphosphates. The bleaching &c. compounds may be hypochlorite of calcium, barium or strontium, peroxide of calcium or barium, perborate of calcium, magnesium, zinc or cadmium, or bisulphite of calcium. Alkaline detergents specified are carbonate, orthosilicate, metasilicate, hydroxide, aluminate and metaborate of sodium, trisodium phosphate and borax. A preferred mixture consists of a high grade calcium hypochlorite containing about 70 to 75 per cent of calcium hypochlorite, 15 to 20 per cent sodium chloride and about 10 per cent of the chlorate, hydroxide and chloride of calcium, mixed with three times its weight of sodium hexametaphosphate (Graham's salt). If the hypochlorite be replaced by ordinary chloride of lime a much larger proportion of the metaphosphate is required. Specifications 408,708 and 434,599, [Group IV], are referred to.ALSO:Bleaching and germicidal solutions are prepared from a mixture of a bleaching or germicidal compound of a metal of the second group in the periodic classification and a sufficient quantity of a water-soluble alkali-metal or ammonium metaphosphate to prevent precipitation of the second group metal when the mixture is dissolved. Alkaline detergents may also be added. The mixtures may be used for treating dairy equipment, bottles, and the like, for laundering or bleaching fabrics and clothes, for treating the skin of human beings or animals and as a mouthwash; they may be prepared as powders or tablets or as ready made solutions. The quantity of metaphosphate employed may vary according to the p hardness of the water used, but preferably should be at least 8 times the weight of the metal of the bleaching or germicidal compound. Metaphosphates referred to are those of sodium, lithium and ammonium, and may be hexa-, tetratri- or dimetaphosphates. The bleaching &c. compounds may be hypochlorite of calcium, barium or strontium, peroxide of calcium or barium, perborate of calcium, magnesium, zinc or cadmium, or bisulphite of calcium. Alkaline detergents specified are carbonate, orthosilicate, metasilicate, hydroxide, aluminate and metaborate of sodium, trisodium phosphate and borax. A preferred mixture consists of a high grade calcium hypochlorite containing about 70 to 75 per cent of calcium hypochlorite, 15 to 20 per cent sodium chloride and about 10 per cent of the chlorate, hydroxide and chloride of calcium, mixed with three times its weight of sodium hexametaphosphate (Graham's salt). If the hypochlorite be replaced by ordinary chloride of lime a much larger proportion of the metaphosphate is required. Specifications 408,708 and 434,599, [both in Group IV], are referred to.
GB12071/35A 1934-04-19 1935-04-18 Improvements in or relating to bleaching and germicidal compositions and processes of using the same Expired GB455611A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US455611XA 1934-04-19 1934-04-19

Publications (1)

Publication Number Publication Date
GB455611A true GB455611A (en) 1936-10-19

Family

ID=21938622

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12071/35A Expired GB455611A (en) 1934-04-19 1935-04-18 Improvements in or relating to bleaching and germicidal compositions and processes of using the same

Country Status (1)

Country Link
GB (1) GB455611A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2923655A (en) * 1954-04-23 1960-02-02 U C L A F Fungicidal cuprous oxide compositions
GB2173102A (en) * 1985-03-29 1986-10-08 Diversey Corp Cleaning/disinfecting system
FR2851162A1 (en) * 2003-02-14 2004-08-20 Dominique Andre Hyperplasic cosmetic composition, useful for treating skin, e.g. dry, sensitive or acne-affected skin, contains alkaline earth hypochlorite dispersed in vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2923655A (en) * 1954-04-23 1960-02-02 U C L A F Fungicidal cuprous oxide compositions
GB2173102A (en) * 1985-03-29 1986-10-08 Diversey Corp Cleaning/disinfecting system
FR2851162A1 (en) * 2003-02-14 2004-08-20 Dominique Andre Hyperplasic cosmetic composition, useful for treating skin, e.g. dry, sensitive or acne-affected skin, contains alkaline earth hypochlorite dispersed in vehicle

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