GB507355A - Process for the improvement of phosphoric acid baths employed in metallurgy - Google Patents

Process for the improvement of phosphoric acid baths employed in metallurgy

Info

Publication number
GB507355A
GB507355A GB618938A GB618938A GB507355A GB 507355 A GB507355 A GB 507355A GB 618938 A GB618938 A GB 618938A GB 618938 A GB618938 A GB 618938A GB 507355 A GB507355 A GB 507355A
Authority
GB
United Kingdom
Prior art keywords
metallurgy
improvement
phosphoric acid
acid baths
baths employed
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
GB618938A
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.)
RENE JACQUES KAHN
Original Assignee
RENE JACQUES KAHN
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 RENE JACQUES KAHN filed Critical RENE JACQUES KAHN
Priority to GB618938A priority Critical patent/GB507355A/en
Publication of GB507355A publication Critical patent/GB507355A/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
    • C23C22/06—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
    • C23C22/07—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 phosphates
    • C23C22/08—Orthophosphates

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)
GB618938A 1938-02-28 1938-02-28 Process for the improvement of phosphoric acid baths employed in metallurgy Expired GB507355A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB618938A GB507355A (en) 1938-02-28 1938-02-28 Process for the improvement of phosphoric acid baths employed in metallurgy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB618938A GB507355A (en) 1938-02-28 1938-02-28 Process for the improvement of phosphoric acid baths employed in metallurgy

Publications (1)

Publication Number Publication Date
GB507355A true GB507355A (en) 1939-06-14

Family

ID=9810033

Family Applications (1)

Application Number Title Priority Date Filing Date
GB618938A Expired GB507355A (en) 1938-02-28 1938-02-28 Process for the improvement of phosphoric acid baths employed in metallurgy

Country Status (1)

Country Link
GB (1) GB507355A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569453A (en) * 1949-09-14 1951-10-02 Poor & Co Vitreous enamel base stock, vitreous enameled articles and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569453A (en) * 1949-09-14 1951-10-02 Poor & Co Vitreous enamel base stock, vitreous enameled articles and method

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