IT955451B - Procedimento per la cromatura di oggetti muniti di rivestimenti galvanici di zinco - Google Patents

Procedimento per la cromatura di oggetti muniti di rivestimenti galvanici di zinco

Info

Publication number
IT955451B
IT955451B IT2426572A IT2426572A IT955451B IT 955451 B IT955451 B IT 955451B IT 2426572 A IT2426572 A IT 2426572A IT 2426572 A IT2426572 A IT 2426572A IT 955451 B IT955451 B IT 955451B
Authority
IT
Italy
Prior art keywords
procedure
chrome plating
objects equipped
galvanic coatings
zinc galvanic
Prior art date
Application number
IT2426572A
Other languages
English (en)
Italian (it)
Original Assignee
Lindemann & Co Gmbh
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
Priority claimed from DE19722202457 external-priority patent/DE2202457C3/de
Application filed by Lindemann & Co Gmbh filed Critical Lindemann & Co Gmbh
Application granted granted Critical
Publication of IT955451B publication Critical patent/IT955451B/it

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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/24—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
    • C23C22/26—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds containing also organic compounds
    • C23C22/27—Acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemically Coating (AREA)
  • Chemical Treatment Of Metals (AREA)
IT2426572A 1972-01-19 1972-05-12 Procedimento per la cromatura di oggetti muniti di rivestimenti galvanici di zinco IT955451B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722202457 DE2202457C3 (de) 1972-01-19 Verfahren zum Chromatieren von mit galvanischen Zinküberzügen versehenen Gegenständen

Publications (1)

Publication Number Publication Date
IT955451B true IT955451B (it) 1973-09-29

Family

ID=5833439

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2426572A IT955451B (it) 1972-01-19 1972-05-12 Procedimento per la cromatura di oggetti muniti di rivestimenti galvanici di zinco

Country Status (5)

Country Link
JP (1) JPS5427300B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA956056A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2168273B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1328938A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT955451B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2400354C3 (de) * 1974-01-04 1982-04-29 Lindemann & Co GmbH, 6081 Geinsheim Wässrige saure Lösung zum Chrommatieren von Zinkoberflächen

Also Published As

Publication number Publication date
JPS4890938A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-11-27
FR2168273B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-08-06
CA956056A (en) 1974-10-15
DE2202457B2 (de) 1977-04-21
JPS5427300B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-09-08
DE2202457A1 (de) 1973-07-26
GB1328938A (en) 1973-09-05
FR2168273A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-08-31

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