GB258796A - Improvements in the process of imparting various colours and a golden appearance to brass articles - Google Patents

Improvements in the process of imparting various colours and a golden appearance to brass articles

Info

Publication number
GB258796A
GB258796A GB806626A GB806626A GB258796A GB 258796 A GB258796 A GB 258796A GB 806626 A GB806626 A GB 806626A GB 806626 A GB806626 A GB 806626A GB 258796 A GB258796 A GB 258796A
Authority
GB
United Kingdom
Prior art keywords
articles
brass
golden appearance
imparting various
various colours
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
GB806626A
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.)
FERDINAND ARNOLD EMIL STAHLSCH
Original Assignee
FERDINAND ARNOLD EMIL STAHLSCH
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 FERDINAND ARNOLD EMIL STAHLSCH filed Critical FERDINAND ARNOLD EMIL STAHLSCH
Priority to GB806626A priority Critical patent/GB258796A/en
Publication of GB258796A publication Critical patent/GB258796A/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
    • 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
    • C23C22/60—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 alkaline aqueous solutions with pH greater than 8
    • C23C22/63—Treatment of copper or alloys based thereon

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)
  • Adornments (AREA)

Abstract

258,796. Stahlschmidt, F. A. E. March 24, 1926. Ornamenting. - Brass articles or brass-coated articles are coloured by immersing them in a bath comprising caustic potash, potassium sodium tartrate, and copper sulphate, the treatment being effected without the application of heat. The bath is prepared by mixing together solutions in water of the tartrate and potash and then mixing with a solution of the sulphate at the ordinary temperature or at a slightly in. creased temperature. To obtain a golden appearance, such as that of gold, shell-gold, or tom bac, the articles are then treated with dilute sulphuric acid, any remaining acid being neutralized by means of a caustic solution.
GB806626A 1926-03-24 1926-03-24 Improvements in the process of imparting various colours and a golden appearance to brass articles Expired GB258796A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB806626A GB258796A (en) 1926-03-24 1926-03-24 Improvements in the process of imparting various colours and a golden appearance to brass articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB806626A GB258796A (en) 1926-03-24 1926-03-24 Improvements in the process of imparting various colours and a golden appearance to brass articles

Publications (1)

Publication Number Publication Date
GB258796A true GB258796A (en) 1926-09-30

Family

ID=9845121

Family Applications (1)

Application Number Title Priority Date Filing Date
GB806626A Expired GB258796A (en) 1926-03-24 1926-03-24 Improvements in the process of imparting various colours and a golden appearance to brass articles

Country Status (1)

Country Link
GB (1) GB258796A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111519175A (en) * 2020-06-09 2020-08-11 杭州朱炳仁文化艺术有限公司 Processing method of golden yellow oxide film on surface of brass product

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111519175A (en) * 2020-06-09 2020-08-11 杭州朱炳仁文化艺术有限公司 Processing method of golden yellow oxide film on surface of brass product

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