FI68865C - Foerfarande foer pyrning av jaern och jaernlegeringar med syraoch en blandning foer utfoerande av foerfarandet - Google Patents

Foerfarande foer pyrning av jaern och jaernlegeringar med syraoch en blandning foer utfoerande av foerfarandet Download PDF

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Publication number
FI68865C
FI68865C FI812107A FI812107A FI68865C FI 68865 C FI68865 C FI 68865C FI 812107 A FI812107 A FI 812107A FI 812107 A FI812107 A FI 812107A FI 68865 C FI68865 C FI 68865C
Authority
FI
Finland
Prior art keywords
acid
phosphoric acid
pickling
mol
amount
Prior art date
Application number
FI812107A
Other languages
English (en)
Finnish (fi)
Other versions
FI68865B (fi
FI812107L (fi
Inventor
Rune John Valdemar Niklasson
Rolf Olof Nilsson
Peter Emanuel Nobel
Original Assignee
Boliden Ab
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 Boliden Ab filed Critical Boliden Ab
Publication of FI812107L publication Critical patent/FI812107L/fi
Publication of FI68865B publication Critical patent/FI68865B/fi
Application granted granted Critical
Publication of FI68865C publication Critical patent/FI68865C/fi

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
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C23G1/083—Iron or steel solutions containing H3PO4

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)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Luminescent Compositions (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
FI812107A 1979-11-06 1981-07-03 Foerfarande foer pyrning av jaern och jaernlegeringar med syraoch en blandning foer utfoerande av foerfarandet FI68865C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE7909187 1979-11-06
SE7909187 1979-11-06
PCT/SE1980/000273 WO1981001298A1 (en) 1979-11-06 1980-11-05 A method of acid pickling iron and iron alloys and a composition for carrying out the method
SE8000273 1980-11-05

Publications (3)

Publication Number Publication Date
FI812107L FI812107L (fi) 1981-07-03
FI68865B FI68865B (fi) 1985-07-31
FI68865C true FI68865C (fi) 1985-11-11

Family

ID=20339264

Family Applications (1)

Application Number Title Priority Date Filing Date
FI812107A FI68865C (fi) 1979-11-06 1981-07-03 Foerfarande foer pyrning av jaern och jaernlegeringar med syraoch en blandning foer utfoerande av foerfarandet

Country Status (8)

Country Link
EP (1) EP0029418B1 (de)
JP (1) JPS56501490A (de)
AT (1) ATE10016T1 (de)
DE (1) DE3069514D1 (de)
DK (1) DK289081A (de)
FI (1) FI68865C (de)
NO (1) NO812196L (de)
WO (1) WO1981001298A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2288190A (en) * 1994-04-08 1995-10-11 Wonder Wheels Cleaning composition containing hydrochloric acid
US6420178B1 (en) * 2000-09-20 2002-07-16 General Electric Company High throughput screening method, array assembly and system
US10450668B2 (en) 2017-04-11 2019-10-22 Savannah River Nuclear Solutions, Llc Development of a passivated stainless steel surface
CN108930043A (zh) * 2018-08-15 2018-12-04 东莞市同盛电子科技有限公司 一种去除金属氧化层的清洗剂及其制备方法和使用方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU152603A3 (de) * 1900-01-01
US1279331A (en) * 1918-05-11 1918-09-17 James H Gravell Pickling iron and steel.
US2559445A (en) * 1946-12-12 1951-07-03 Union Switch & Signal Co Method for removing scale from steel
FR1148779A (fr) * 1956-02-01 1957-12-13 Procédé de protection des métaux contre la corrosion par les acides forts et compositions pour la mise en oeuvre de ce procédé
US2923608A (en) * 1956-04-13 1960-02-02 Fmc Corp Method of improving the bonding properties of steel surfaces
BE579543A (de) * 1958-06-19
US3438799A (en) * 1965-06-22 1969-04-15 Chem Eng Ltd Method for the surface treatment of metal articles
US3457107A (en) * 1965-07-20 1969-07-22 Diversey Corp Method and composition for chemically polishing metals
BE740608A (en) * 1968-10-22 1970-04-01 Metal cleaning and protection process
BE790538A (fr) * 1971-10-26 1973-02-15 Ericsson Telefon Ab L M Bain de nettoyage chimique d'aluminium
FR2208006A1 (en) * 1972-11-24 1974-06-21 Produits Ind Cie Fse De-passivation of stainless steel - prior to plating or coating with copper, nickel, chromium, zinc, manganese, oxalate or phosphate

Also Published As

Publication number Publication date
WO1981001298A1 (en) 1981-05-14
DE3069514D1 (en) 1984-11-29
FI68865B (fi) 1985-07-31
NO812196L (no) 1981-06-26
EP0029418B1 (de) 1984-10-24
EP0029418A1 (de) 1981-05-27
DK289081A (da) 1981-06-30
JPS56501490A (de) 1981-10-15
ATE10016T1 (de) 1984-11-15
FI812107L (fi) 1981-07-03

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: BOLIDEN AKTIEBOLAG