PL413734A1 - Method for obtaining three-component rhenium-cobalt-molybdenum alloys - Google Patents

Method for obtaining three-component rhenium-cobalt-molybdenum alloys

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Publication number
PL413734A1
PL413734A1 PL413734A PL41373415A PL413734A1 PL 413734 A1 PL413734 A1 PL 413734A1 PL 413734 A PL413734 A PL 413734A PL 41373415 A PL41373415 A PL 41373415A PL 413734 A1 PL413734 A1 PL 413734A1
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PL
Poland
Prior art keywords
solution
cobalt
rhenium
obtaining
citrate
Prior art date
Application number
PL413734A
Other languages
Polish (pl)
Other versions
PL230576B1 (en
Inventor
Dorota Kopyto
Katarzyna Leszczyńska-Sejda
Grzegorz Benke
Andrzej Chmielarz
Wit Baranek
Tomasz Majewski
Jan Piętaszewski
Jerzy Michałowski
Elżbieta Pietek
Grażyna Machelska
Krystyna Witman
Piotr Grzechca
Original Assignee
Instytut Metali Nieżelaznych
Wojskowa Akademia Techniczna Im. Jarosława Dąbrowskiego
Innovator Spółka Z Ograniczoną Odpowiedzialnością
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.)
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Publication date
Application filed by Instytut Metali Nieżelaznych, Wojskowa Akademia Techniczna Im. Jarosława Dąbrowskiego, Innovator Spółka Z Ograniczoną Odpowiedzialnością filed Critical Instytut Metali Nieżelaznych
Priority to PL413734A priority Critical patent/PL230576B1/en
Publication of PL413734A1 publication Critical patent/PL413734A1/en
Publication of PL230576B1 publication Critical patent/PL230576B1/en

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  • Electrolytic Production Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

Sposób otrzymywania stopów trójskładnikowych ren-kobalt-molibden na drodze elektrowydzielania z roztworów wodnych charakteryzuje się tym, że do wodnego roztworu siarczanu(VI) kobaltu(II) zawierającego 5 - 50 g/dm3 Co, korzystnie 20 g/dm3 Co podgrzanego do temperatury 30 - 90°C dodaje się przy intensywnym mieszaniu roztworu jony czynnika kompleksującego, korzystnie jony cytrynianowe w postaci kwasu cytrynowego i/lub cytrynianu trisodowego w takiej ilości aby stosunek molowy jonu cytrynianowego do kobaltu był większy niż 1, a mniejszy niż 10, następnie wprowadza się roztwór renianu(VII) amonu o stężeniu renu 1 - 20 g/dm3 Re, korzystnie 6 g/dm3 oraz roztwór molibdenianu(VI) sodu w ilości od 1 do 10 g Mo na każdy 1 dm3 roztworu, korzystnie 5,0 g/dm3 Mo, oraz dodaje się wodnego roztworu węglanu sodu o stężeniu 20 - 160 g/dm3 i/lub 20 - 40% roztworu wodorotlenku sodu, aż do uzyskania pH roztworu na poziomie 3 - 8.The method of obtaining ternary alloys of rhenium-cobalt-molybdenum by electric separation from aqueous solutions is characterized in that for the aqueous solution of cobalt (II) sulfate containing 5 - 50 g / dm3 Co, preferably 20 g / dm3 Co heated to 30 - 90 ° C is added with intensive stirring of the complexing agent ions, preferably citrate ions in the form of citric acid and / or trisodium citrate in such an amount that the molar ratio of citrate ion to cobalt is greater than 1 and less than 10, then the solution is introduced ammonium rhenium with a rhenium concentration of 1 - 20 g / dm3 Re, preferably 6 g / dm3 and a solution of sodium molybdate (VI) in an amount of 1 to 10 g Mo for each 1 dm3 of the solution, preferably 5.0 g / dm3 Mo , and an aqueous sodium carbonate solution at a concentration of 20 - 160 g / dm3 and / or a 20 - 40% sodium hydroxide solution is added, until the solution reaches pH 3 - 8.

PL413734A 2015-08-28 2015-08-28 Method for obtaining three-component rhenium-cobalt-molybdenum alloys PL230576B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL413734A PL230576B1 (en) 2015-08-28 2015-08-28 Method for obtaining three-component rhenium-cobalt-molybdenum alloys

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL413734A PL230576B1 (en) 2015-08-28 2015-08-28 Method for obtaining three-component rhenium-cobalt-molybdenum alloys

Publications (2)

Publication Number Publication Date
PL413734A1 true PL413734A1 (en) 2016-05-09
PL230576B1 PL230576B1 (en) 2018-11-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
PL413734A PL230576B1 (en) 2015-08-28 2015-08-28 Method for obtaining three-component rhenium-cobalt-molybdenum alloys

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PL (1) PL230576B1 (en)

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PL230576B1 (en) 2018-11-30

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