PL413734A1 - Method for obtaining three-component rhenium-cobalt-molybdenum alloys - Google Patents
Method for obtaining three-component rhenium-cobalt-molybdenum alloysInfo
- 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
- Authority
- PL
- Poland
- Prior art keywords
- solution
- cobalt
- rhenium
- obtaining
- citrate
- Prior art date
Links
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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.
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 |
Family
ID=55910600
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 |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL230576B1 (en) |
-
2015
- 2015-08-28 PL PL413734A patent/PL230576B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL230576B1 (en) | 2018-11-30 |
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