FR2343797A1 - Stabilised hydrogen peroxide solutions - contain benzenesulphonic acid and a stannate - Google Patents

Stabilised hydrogen peroxide solutions - contain benzenesulphonic acid and a stannate

Info

Publication number
FR2343797A1
FR2343797A1 FR7606903A FR7606903A FR2343797A1 FR 2343797 A1 FR2343797 A1 FR 2343797A1 FR 7606903 A FR7606903 A FR 7606903A FR 7606903 A FR7606903 A FR 7606903A FR 2343797 A1 FR2343797 A1 FR 2343797A1
Authority
FR
France
Prior art keywords
stannate
contain
hydrogen peroxide
benzenesulphonic acid
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.)
Granted
Application number
FR7606903A
Other languages
French (fr)
Other versions
FR2343797B1 (en
Inventor
Jean-Pierre Zumbrunn
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.)
Air Liquide SA
Original Assignee
Air Liquide SA
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 Air Liquide SA filed Critical Air Liquide SA
Priority to FR7606903A priority Critical patent/FR2343797A1/en
Publication of FR2343797A1 publication Critical patent/FR2343797A1/en
Application granted granted Critical
Publication of FR2343797B1 publication Critical patent/FR2343797B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/10—Other heavy metals
    • C23G1/103—Other heavy metals copper or alloys of copper
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/01—Hydrogen peroxide
    • C01B15/037—Stabilisation by additives
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F3/00—Brightening metals by chemical means
    • C23F3/02—Light metals
    • C23F3/03—Light metals with acidic solutions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

Stabilised solns. contg. 30-50% hydrogen peroxide, used for treating metal surfaces in acid medium, contain as stabilising agent benzenesulphonic acid or its alkali metal salts and a tin salt which is a stannate. They are used in metal treatment baths contg. 20-250 g./l. of 92-95% H2SO4 10-280 ml./l. of 30-50% H2O2, 0.3-1.2 g./l. of benzene sulphonic acid or salt and 5-60 mg./l. of stannate. The solns. are used partic. for cleaning Cu and its alloys esp. brass and for bleaching Al and its alloys. The combination of stabilisers ensures their efficacy, benzenesulphonic acid on its own not being always effective.
FR7606903A 1976-03-11 1976-03-11 Stabilised hydrogen peroxide solutions - contain benzenesulphonic acid and a stannate Granted FR2343797A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7606903A FR2343797A1 (en) 1976-03-11 1976-03-11 Stabilised hydrogen peroxide solutions - contain benzenesulphonic acid and a stannate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7606903A FR2343797A1 (en) 1976-03-11 1976-03-11 Stabilised hydrogen peroxide solutions - contain benzenesulphonic acid and a stannate

Publications (2)

Publication Number Publication Date
FR2343797A1 true FR2343797A1 (en) 1977-10-07
FR2343797B1 FR2343797B1 (en) 1978-08-25

Family

ID=9170242

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7606903A Granted FR2343797A1 (en) 1976-03-11 1976-03-11 Stabilised hydrogen peroxide solutions - contain benzenesulphonic acid and a stannate

Country Status (1)

Country Link
FR (1) FR2343797A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0353084A2 (en) * 1988-07-27 1990-01-31 E.I. Du Pont De Nemours And Company Stabilized hydrogen peroxide compositions
US4963342A (en) * 1988-06-11 1990-10-16 Micro-Image Technology Limited Solutions of permonosulphuric acid
US5217710A (en) * 1992-03-05 1993-06-08 Chesebrough-Pond's Usa Co. Stabilized peroxide gels containing fluoride
WO1998015674A1 (en) * 1996-10-07 1998-04-16 Solvay Interox Limited Metal surface treatment solutions and process

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4963342A (en) * 1988-06-11 1990-10-16 Micro-Image Technology Limited Solutions of permonosulphuric acid
EP0353084A2 (en) * 1988-07-27 1990-01-31 E.I. Du Pont De Nemours And Company Stabilized hydrogen peroxide compositions
EP0353084A3 (en) * 1988-07-27 1990-04-18 E.I. Du Pont De Nemours And Company Stabilized hydrogen peroxide compositions
US5217710A (en) * 1992-03-05 1993-06-08 Chesebrough-Pond's Usa Co. Stabilized peroxide gels containing fluoride
WO1998015674A1 (en) * 1996-10-07 1998-04-16 Solvay Interox Limited Metal surface treatment solutions and process

Also Published As

Publication number Publication date
FR2343797B1 (en) 1978-08-25

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Legal Events

Date Code Title Description
ST Notification of lapse