ATE236703T1 - METHOD FOR PRESERVING SILVER-PLATED OBJECTS AND DEVICE THEREFOR - Google Patents

METHOD FOR PRESERVING SILVER-PLATED OBJECTS AND DEVICE THEREFOR

Info

Publication number
ATE236703T1
ATE236703T1 AT99900931T AT99900931T ATE236703T1 AT E236703 T1 ATE236703 T1 AT E236703T1 AT 99900931 T AT99900931 T AT 99900931T AT 99900931 T AT99900931 T AT 99900931T AT E236703 T1 ATE236703 T1 AT E236703T1
Authority
AT
Austria
Prior art keywords
silver
preserving
device therefor
plated objects
objects
Prior art date
Application number
AT99900931T
Other languages
German (de)
Inventor
No L Lacoudre
Teyeb Beldjoudi
Original Assignee
Electricite De France
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 Electricite De France filed Critical Electricite De France
Application granted granted Critical
Publication of ATE236703T1 publication Critical patent/ATE236703T1/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
    • C23F15/00—Other methods of preventing corrosion or incrustation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Chemically Coating (AREA)
  • Catalysts (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

The invention relates to a method for preserving and conserving silver-plated objects (1), according to which the objects (1) are placed in an atmosphere of desulfurized gas. The invention is characterized in that the gas is desulfurized by contact with cathodically activated silver metal.
AT99900931T 1998-01-16 1999-01-15 METHOD FOR PRESERVING SILVER-PLATED OBJECTS AND DEVICE THEREFOR ATE236703T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9800420A FR2773821B1 (en) 1998-01-16 1998-01-16 PROCESS FOR THE PRESERVATION OF SILVER OBJECTS AND A PURIFICATION APPARATUS FOR IMPLEMENTING IT
PCT/FR1999/000071 WO1999036161A1 (en) 1998-01-16 1999-01-15 Method for preserving silver-plated objects and filtering device for carrying out said method

Publications (1)

Publication Number Publication Date
ATE236703T1 true ATE236703T1 (en) 2003-04-15

Family

ID=9521842

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99900931T ATE236703T1 (en) 1998-01-16 1999-01-15 METHOD FOR PRESERVING SILVER-PLATED OBJECTS AND DEVICE THEREFOR

Country Status (6)

Country Link
EP (1) EP1054721B1 (en)
AT (1) ATE236703T1 (en)
DE (1) DE69906705T2 (en)
ES (1) ES2191410T3 (en)
FR (1) FR2773821B1 (en)
WO (1) WO1999036161A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6551552B1 (en) * 2000-09-27 2003-04-22 Cor/Sci Llc Systems and methods for preventing and/or reducing corrosion in various articles
KR20040007265A (en) * 2002-07-12 2004-01-24 닛폰 에쿠스란 고교 가부시키가이샤 Discoloration inhibitor for metals
NO20063247L (en) * 2006-07-12 2008-01-14 Norsk Hydro As Protection of process equipment having a significant vapor pressure by adding a vaporizing component to the gas in contact with said equipment
FR2933879B1 (en) * 2008-07-15 2010-07-30 Saint Gobain Quartz Sas PARTICLE FILTER WITH MINERAL FILTER MEDIA

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2913329C2 (en) * 1979-04-03 1984-11-22 Dechema Deutsche Gesellschaft F. Chem. Apparatewesen E.V., 6000 Frankfurt Process for the separation of traces of gaseous pollutants based on sulfur from exhaust gases by chemical absorption
US5451268A (en) * 1993-11-15 1995-09-19 Shepherd; Samuel L. Process for the removal of sulfur from silver

Also Published As

Publication number Publication date
EP1054721A1 (en) 2000-11-29
FR2773821A1 (en) 1999-07-23
DE69906705D1 (en) 2003-05-15
FR2773821B1 (en) 2000-04-07
ES2191410T3 (en) 2003-09-01
EP1054721B1 (en) 2003-04-09
WO1999036161A1 (en) 1999-07-22
DE69906705T2 (en) 2003-11-13

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