DE257990C - - Google Patents

Info

Publication number
DE257990C
DE257990C DENDAT257990D DE257990DA DE257990C DE 257990 C DE257990 C DE 257990C DE NDAT257990 D DENDAT257990 D DE NDAT257990D DE 257990D A DE257990D A DE 257990DA DE 257990 C DE257990 C DE 257990C
Authority
DE
Germany
Prior art keywords
hydrogen peroxide
alkaline
alkalis
cleaning
metal objects
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.)
Active
Application number
DENDAT257990D
Other languages
German (de)
Publication of DE257990C publication Critical patent/DE257990C/de
Active 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
    • 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
    • C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch :Patent claim: Verfahren zur Reinigung und Entfettung von Metall-, insbesondere Schmuckgegenständen mittels alkalischer ' Laugen, dadurch gekennzeichnet, daß man der alkalischen Lauge Wasserstoffsuperoxyd oder Wasserstoffsuperoxyd abgebende Substanzen zusetzt.Process for cleaning and degreasing metal objects, in particular jewelry by means of alkaline 'alkalis, characterized in that the alkaline Lye adds hydrogen peroxide or substances emitting hydrogen peroxide.
DENDAT257990D Active DE257990C (en)

Publications (1)

Publication Number Publication Date
DE257990C true DE257990C (en)

Family

ID=515851

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT257990D Active DE257990C (en)

Country Status (1)

Country Link
DE (1) DE257990C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2736936A1 (en) * 1995-07-19 1997-01-24 Air Liquide PROCESS FOR DEGREASING HYDROGEN PEROXIDE AND APPLICATION TO METALLIC ARTICLES

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2736936A1 (en) * 1995-07-19 1997-01-24 Air Liquide PROCESS FOR DEGREASING HYDROGEN PEROXIDE AND APPLICATION TO METALLIC ARTICLES
EP0756023A1 (en) * 1995-07-19 1997-01-29 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Degreasing process based on hydrogen peroxide and its use for degreasing metal objects

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