CH478925A - Precious metal cleaning and polishing bath - Google Patents

Precious metal cleaning and polishing bath

Info

Publication number
CH478925A
CH478925A CH1042566A CH1042566A CH478925A CH 478925 A CH478925 A CH 478925A CH 1042566 A CH1042566 A CH 1042566A CH 1042566 A CH1042566 A CH 1042566A CH 478925 A CH478925 A CH 478925A
Authority
CH
Switzerland
Prior art keywords
precious metal
metal cleaning
polishing bath
polishing
bath
Prior art date
Application number
CH1042566A
Other languages
German (de)
Inventor
Werner Dipl Chem Marschand
Original Assignee
Becker Hans Delu Fab
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 Becker Hans Delu Fab filed Critical Becker Hans Delu Fab
Publication of CH478925A publication Critical patent/CH478925A/en

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
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/16—Sulfur-containing compounds
    • C23F11/161—Mercaptans
    • 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
    • C23F3/04—Heavy metals
    • C23F3/06—Heavy metals with acidic solutions
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Detergent Compositions (AREA)
CH1042566A 1965-11-04 1966-07-18 Precious metal cleaning and polishing bath CH478925A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED0048574 1965-11-04

Publications (1)

Publication Number Publication Date
CH478925A true CH478925A (en) 1969-09-30

Family

ID=7051269

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1042566A CH478925A (en) 1965-11-04 1966-07-18 Precious metal cleaning and polishing bath

Country Status (3)

Country Link
CH (1) CH478925A (en)
DE (1) DE1546119A1 (en)
GB (1) GB1117510A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0492487A1 (en) * 1990-12-22 1992-07-01 DODUCO GMBH + Co Dr. Eugen DÀ¼rrwächter Means of temporary protection of bare silver and copper surfaces against tarnishing and method of using it

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2412666B (en) * 2004-03-30 2008-10-08 Paul Gilbert Cole Water-based metal treatment composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0492487A1 (en) * 1990-12-22 1992-07-01 DODUCO GMBH + Co Dr. Eugen DÀ¼rrwächter Means of temporary protection of bare silver and copper surfaces against tarnishing and method of using it

Also Published As

Publication number Publication date
DE1546119A1 (en) 1970-03-12
GB1117510A (en) 1968-06-19

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Legal Events

Date Code Title Description
PL Patent ceased