ATE12661T1 - Verfahren zum selektiven loesen von molybdaen in gegenwart von wolfram. - Google Patents

Verfahren zum selektiven loesen von molybdaen in gegenwart von wolfram.

Info

Publication number
ATE12661T1
ATE12661T1 AT81110588T AT81110588T ATE12661T1 AT E12661 T1 ATE12661 T1 AT E12661T1 AT 81110588 T AT81110588 T AT 81110588T AT 81110588 T AT81110588 T AT 81110588T AT E12661 T1 ATE12661 T1 AT E12661T1
Authority
AT
Austria
Prior art keywords
molybdenum
tungsten
dissolving
selectively
wire
Prior art date
Application number
AT81110588T
Other languages
English (en)
Inventor
Karoly Dr Dipl Chem Vadasdi
Laszlo Dr Dipl Chem Bartha
Andras Dr Dipl Chem Kiss
Tivadar Dr Dipl Chem I Millner
Endre Tekula
Original Assignee
Mta Mueszaki Fiz Kutato Inteze
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 Mta Mueszaki Fiz Kutato Inteze filed Critical Mta Mueszaki Fiz Kutato Inteze
Application granted granted Critical
Publication of ATE12661T1 publication Critical patent/ATE12661T1/de

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
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/16—Acidic compositions
    • C23F1/26—Acidic compositions for etching refractory metals

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)
  • Catalysts (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
AT81110588T 1981-12-18 1981-12-18 Verfahren zum selektiven loesen von molybdaen in gegenwart von wolfram. ATE12661T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP81110588A EP0082210B1 (de) 1981-12-18 1981-12-18 Verfahren zum selektiven Lösen von Molybdän in Gegenwart von Wolfram

Publications (1)

Publication Number Publication Date
ATE12661T1 true ATE12661T1 (de) 1985-04-15

Family

ID=8188075

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81110588T ATE12661T1 (de) 1981-12-18 1981-12-18 Verfahren zum selektiven loesen von molybdaen in gegenwart von wolfram.

Country Status (3)

Country Link
EP (1) EP0082210B1 (de)
AT (1) ATE12661T1 (de)
DE (1) DE3169917D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4548791A (en) * 1983-09-30 1985-10-22 American Chemical & Refining Company, Inc. Thallium-containing composition for stripping palladium
JPS6096779A (ja) * 1983-10-06 1985-05-30 オリン　コーポレーシヨン 銅基材料の洗浄方法と洗浄液の再生方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5045742A (de) * 1973-08-27 1975-04-24
DE2359558C2 (de) * 1973-11-29 1975-11-13 Hitachi, Ltd., Tokio Verfahren zum Verhindern der Bildung von Stickstoffmonoxid bei der Ausätzung eines Molybdänkernes aus einer Wolframdrahtwendel
US3945865A (en) * 1974-07-22 1976-03-23 Dart Environment And Services Company Metal dissolution process
US4174253A (en) * 1977-11-08 1979-11-13 Dart Industries Inc. Dissolution of metals utilizing a H2 O2 -H2 SO4 solution catalyzed with hydroxy substituted cycloparaffins
DE2933430A1 (de) * 1979-08-17 1981-03-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München Verfahren zur rueckgewinnung von molybdaen und mischsaeure aus verbrauchten mischsaeurebeizloesungen

Also Published As

Publication number Publication date
DE3169917D1 (en) 1985-05-15
EP0082210A1 (de) 1983-06-29
EP0082210B1 (de) 1985-04-10

Similar Documents

Publication Publication Date Title
EP0811597A3 (de) Verfahren zur Herstellung von Acrylsäure
CS697788A2 (en) Method of ethylene oxide production
FR2391771A1 (fr) Procedes et catalyseurs pour la production d'oxydes d'alkylene
NO870505D0 (no) Lodde-metall, saerlig inneholdende titan, kopper og nikkel.
JPS52153889A (en) Catalysts for manufacturing acrylic acid or methacrylic acid by oxidation of acrolein or methacrolein
FI843803A0 (fi) Foerfarande och cesium som tillsatsmedel innehaollande katalysator foer direkt syntes av dimetyl-diklorsilan.
ATE12661T1 (de) Verfahren zum selektiven loesen von molybdaen in gegenwart von wolfram.
ES446289A1 (es) Un procedimiento mejorado para la produccion de acido acri- lico o de acido metacrilico.
DE3163381D1 (en) Oxidation catalyst, particularly for the preparation of methacrylic acid by gas-phase oxidation of methacrolein
KR830005901A (ko) 안티몬 함유 산화물 촉매의 재생방법
ATE21706T1 (de) Verfahren zur gewinnung von edelmetallen aus loesungen.
ES8401332A1 (es) Mejoras introducidas en un procedimiento de regeneracion de catalizadores de plata soportados.
AU540695B2 (en) Bismuth, molybdenum, antimony containing oxidation and ammoxidation catalyst
GB1488375A (en) Chemical composition
ATE34580T1 (de) Metallpassivierungszusatz.
JPS536296A (en) Treating method for silver nitrate solution
GB1247594A (en) Production of pyridine
DE3853064D1 (de) Behandlungsverfahren für einen Cyanid enthaltenden flüssigen Abfall.
DE69017788D1 (de) Verfahren zur Passivierung von Uranoxiden für die Oxydationskontrolle.
IT8120880A0 (it) Procedimento di purificazione disoluzioni contenenti carbonato e solfato alcalini, eventualmente dell'idrossido alcalino cosi' come uno almeno dei metalli vanadio, uranio molibdeno.
JPS5545617A (en) Preparation of methacrylic acid from isobutylene and/or t-butanol
Leonard Corrosion of metals by aliphatic organic acids
GB1297990A (de)
DE3776545D1 (de) Verfahren zur oxydativen selektiven carbonylierung von konjugierten dienen.
Laub Atmospheric Corrosion

Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee