GB499791A - Improvements in or relating to the electrodeposition of zinc - Google Patents

Improvements in or relating to the electrodeposition of zinc

Info

Publication number
GB499791A
GB499791A GB2107337A GB2107337A GB499791A GB 499791 A GB499791 A GB 499791A GB 2107337 A GB2107337 A GB 2107337A GB 2107337 A GB2107337 A GB 2107337A GB 499791 A GB499791 A GB 499791A
Authority
GB
United Kingdom
Prior art keywords
zinc
cobalt
nickel
group
photo
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
GB2107337A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority to GB2107337A priority Critical patent/GB499791A/en
Publication of GB499791A publication Critical patent/GB499791A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/22—Electroplating: Baths therefor from solutions of zinc
    • C25D3/24—Electroplating: Baths therefor from solutions of zinc from cyanide baths

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

499,791. Electrodeposition of zinc; photo-electric measuring apparatus. DU PONT DE NEMOURS & CO., E. I., and WESTBROOK, L. R. July 29, 1937, No. 21073. [Class 41] [Also in Group XL] The (cyanide) bath contains an oxyheterocyclic compound other than furfural-e.g. piperonal, piperine, piperonylic acid, safrole, coumarin, furfuran, tetrahydrofurfuryl alcohol, furfuryl alcohol, paraldol, ethyl or methyl furoate, fluorescein, glycol formal, pyronine, furoin, hydrofurfuramide, furfuramide, phthalide, rotenone or coumalic acid. The bath may contain also "brightening metals " (see Specification 473,147) such as aluminium, titanium and the metals of sub-group 1 of Groups VI and VII and of Group VIII, series 4, e.g. molybdenum, chromium, cobalt, nickel, iron, tungsten, uranium, manganese and rhenium, which may be added as salts or oxides, e.g. potassium ferrocyanide, cobalt sulphate, nickel sulphate, cobalt oxide and nickel oxide. The brightnesses of the zinc coatings are compared by means of the device shown. Light passes from a bulb 3 and a mirror 4 through a slit 6 in a partition 5 and is reflected from the zinc coating on the underside of a plate 15 to a photo-electric cell 9, the current generated in the cell being measured by a microammeter 10.
GB2107337A 1937-07-29 1937-07-29 Improvements in or relating to the electrodeposition of zinc Expired GB499791A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2107337A GB499791A (en) 1937-07-29 1937-07-29 Improvements in or relating to the electrodeposition of zinc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2107337A GB499791A (en) 1937-07-29 1937-07-29 Improvements in or relating to the electrodeposition of zinc

Publications (1)

Publication Number Publication Date
GB499791A true GB499791A (en) 1939-01-30

Family

ID=10156739

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2107337A Expired GB499791A (en) 1937-07-29 1937-07-29 Improvements in or relating to the electrodeposition of zinc

Country Status (1)

Country Link
GB (1) GB499791A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155493A (en) * 1984-02-27 1985-09-25 Nippon Surface Treatment Chem Electroplating zinc-iron alloy from alkaline bath

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155493A (en) * 1984-02-27 1985-09-25 Nippon Surface Treatment Chem Electroplating zinc-iron alloy from alkaline bath

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