ES313968A1 - A procedure for eliminating the copper deposited on the surface of the steels. (Machine-translation by Google Translate, not legally binding) - Google Patents

A procedure for eliminating the copper deposited on the surface of the steels. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES313968A1
ES313968A1 ES0313968A ES313968A ES313968A1 ES 313968 A1 ES313968 A1 ES 313968A1 ES 0313968 A ES0313968 A ES 0313968A ES 313968 A ES313968 A ES 313968A ES 313968 A1 ES313968 A1 ES 313968A1
Authority
ES
Spain
Prior art keywords
steels
translation
machine
legally binding
*** translate
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
ES0313968A
Other languages
Spanish (es)
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.)
Borg Holding AG
Original Assignee
Borg Holding AG
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 Borg Holding AG filed Critical Borg Holding AG
Publication of ES313968A1 publication Critical patent/ES313968A1/en
Expired 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
    • 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
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/44—Compositions for etching metallic material from a metallic material substrate of different composition

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

A process for removing the copper deposited on the surface of the steels, characterized in that an aqueous solution of chromate and ammonium acid sulfate, which has a pH of the order of 0.5 to 100%, is brought into contact with the surface to be cleaned. 1,5. (Machine-translation by Google Translate, not legally binding)
ES0313968A 1964-06-09 1965-06-08 A procedure for eliminating the copper deposited on the surface of the steels. (Machine-translation by Google Translate, not legally binding) Expired ES313968A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR977599A FR1406592A (en) 1964-06-09 1964-06-09 Process for removing plated copper from the surface of steels

Publications (1)

Publication Number Publication Date
ES313968A1 true ES313968A1 (en) 1966-02-01

Family

ID=8831963

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0313968A Expired ES313968A1 (en) 1964-06-09 1965-06-08 A procedure for eliminating the copper deposited on the surface of the steels. (Machine-translation by Google Translate, not legally binding)

Country Status (3)

Country Link
ES (1) ES313968A1 (en)
FI (1) FI44976C (en)
FR (1) FR1406592A (en)

Also Published As

Publication number Publication date
FI44976C (en) 1972-02-10
FR1406592A (en) 1965-07-23
FI44976B (en) 1971-11-01

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