ZA916434B - The use of formamidine sulfinic acid as an oxygen scavenger - Google Patents

The use of formamidine sulfinic acid as an oxygen scavenger

Info

Publication number
ZA916434B
ZA916434B ZA916434A ZA916434A ZA916434B ZA 916434 B ZA916434 B ZA 916434B ZA 916434 A ZA916434 A ZA 916434A ZA 916434 A ZA916434 A ZA 916434A ZA 916434 B ZA916434 B ZA 916434B
Authority
ZA
South Africa
Prior art keywords
oxygen scavenger
sulfinic acid
formamidine sulfinic
formamidine
acid
Prior art date
Application number
ZA916434A
Inventor
Manfred Diehl
Diehl Manfred
Norbert Steiner
Steiner Norbert
Helmut Knorre
Knorre Helmut
Eckhard Krone
Krone Eckhard
Gerhard Zimmer
Zimmer Gerhard
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of ZA916434B publication Critical patent/ZA916434B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00—Obtaining noble metals
    • C22B11/08—Obtaining noble metals by cyaniding
    • 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
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/16—Sulfur-containing compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Gas Separation By Absorption (AREA)
  • Removal Of Specific Substances (AREA)
ZA916434A 1990-09-06 1991-08-14 The use of formamidine sulfinic acid as an oxygen scavenger ZA916434B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4028239A DE4028239A1 (en) 1990-09-06 1990-09-06 Formamidine sulphinic acid used as oxygen@ binder - pref. in aq. alkaline soln. esp. cyanide soln. contg. noble metal cyano complex for cementation with zinc@

Publications (1)

Publication Number Publication Date
ZA916434B true ZA916434B (en) 1992-05-27

Family

ID=6413695

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA916434A ZA916434B (en) 1990-09-06 1991-08-14 The use of formamidine sulfinic acid as an oxygen scavenger

Country Status (4)

Country Link
AU (1) AU8241091A (en)
CA (1) CA2050531A1 (en)
DE (1) DE4028239A1 (en)
ZA (1) ZA916434B (en)

Also Published As

Publication number Publication date
AU8241091A (en) 1992-03-12
CA2050531A1 (en) 1992-03-07
DE4028239A1 (en) 1992-03-12

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