RU2008132225A - ELECTROLYTIC METHOD FOR PRODUCING Praseodymium Hexaboride - Google Patents
ELECTROLYTIC METHOD FOR PRODUCING Praseodymium Hexaboride Download PDFInfo
- Publication number
- RU2008132225A RU2008132225A RU2008132225/02A RU2008132225A RU2008132225A RU 2008132225 A RU2008132225 A RU 2008132225A RU 2008132225/02 A RU2008132225/02 A RU 2008132225/02A RU 2008132225 A RU2008132225 A RU 2008132225A RU 2008132225 A RU2008132225 A RU 2008132225A
- Authority
- RU
- Russia
- Prior art keywords
- potassium
- praseodymium
- electrolytic method
- sodium
- chloride
- Prior art date
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Electrolytic Production Of Metals (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
1. Электролитический способ получения гексаборида празеодима, включающий синтез гексаборида празеодима из расплавленных сред, отличающийся тем, что синтез проводят в атмосфере очищенного и осушенного аргона из эквимолярного расплава хлоридов калия и натрия, содержащего хлорид празеодима и фторборат калия при температуре выше температуры плавления эквимолярного расплава смеси хлоридов натрия и калия при следующих соотношениях компонентов, мас.%: ! хлорид празеодима 1,6÷5,0 ! фторборат калия 4,0÷11,0 ! эквимолярная смесь хлоридов калия и натрия остальное. ! 2. Электролитический способ по п.1., отличающийся тем, что процесс ведут при плотности тока 0,1-1,0 А/см2 и потенциале электролиза относительно платинового электрода сравнения от -2,5 до -4,0 В.1. An electrolytic method for producing praseodymium hexaboride, including the synthesis of praseodymium hexaboride from molten media, characterized in that the synthesis is carried out in an atmosphere of purified and dried argon from an equimolar melt of potassium and sodium chlorides containing praseodymium chloride and potassium fluoroborate at a temperature above the melting point of the equimolar mixture sodium and potassium chlorides with the following ratios of components, wt%:! praseodymium chloride 1.6 ÷ 5.0! potassium fluoroborate 4.0 ÷ 11.0! equimolar mixture of potassium and sodium chlorides the rest. ! 2. An electrolytic method according to claim 1, characterized in that the process is carried out at a current density of 0.1-1.0 A / cm2 and an electrolysis potential relative to the platinum reference electrode from -2.5 to -4.0 V.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2008132225/02A RU2393115C2 (en) | 2008-08-04 | 2008-08-04 | Electrolytic method for synthesis of praseodymium hexaboride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2008132225/02A RU2393115C2 (en) | 2008-08-04 | 2008-08-04 | Electrolytic method for synthesis of praseodymium hexaboride |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2008132225A true RU2008132225A (en) | 2010-02-10 |
| RU2393115C2 RU2393115C2 (en) | 2010-06-27 |
Family
ID=42123511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2008132225/02A RU2393115C2 (en) | 2008-08-04 | 2008-08-04 | Electrolytic method for synthesis of praseodymium hexaboride |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2393115C2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2477340C2 (en) * | 2011-05-13 | 2013-03-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кабардино-Балкарский государственный университет им. Х.М. Бербекова" | Electrolytic method for obtaining ultradisperse powder of lanthanum hexaboride |
| RU2466217C1 (en) * | 2011-05-18 | 2012-11-10 | Государственное образовательное учреждение высшего профессионального образования Кабардино-Балкарский государственный университет им. Х.М. Бербекова | Electrolytic method of obtaining ultrafine powder of gadolinium hexaboride |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3902973A (en) * | 1973-10-04 | 1975-09-02 | Us Interior | Electrolytic preparation of lanthanide and actinide hexaborides using a molten, cryolite-base electrolyte |
| US4627898A (en) * | 1984-09-07 | 1986-12-09 | Union Oil Company Of California | Electrolytic production of praseodymium |
| FR2623790B1 (en) * | 1987-11-26 | 1990-11-30 | Rhone Poulenc Chimie | PROCESS FOR THE PREPARATION OF RARE EARTH BORURES |
| CN100348484C (en) * | 2006-05-26 | 2007-11-14 | 华南理工大学 | Praseodymium boride nano line, and its preparing method and use |
-
2008
- 2008-08-04 RU RU2008132225/02A patent/RU2393115C2/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| RU2393115C2 (en) | 2010-06-27 |
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| Date | Code | Title | Description |
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| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20100805 |
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| NF4A | Reinstatement of patent |
Effective date: 20120127 |
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| QB4A | Licence on use of patent |
Free format text: LICENCE Effective date: 20120203 |
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| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20140805 |